72043440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 320

約数和(自身を含む): 280458240

約数和(自身を除く): 208414800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 37, 38, 40, 42, 48, 56, 57, 60, 61, 70, 74, 76, 80, 84, 95, 105, 111, 112, 114, 120, 122, 133, 140, 148, 152, 168, 183, 185, 190, 210, 222, 228, 240, 244, 259, 266, 280, 285, 296, 304, 305, 336, 366, 370, 380, 399, 420, 427, 444, 456, 488, 518, 532, 555, 560, 570, 592, 610, 665, 703, 732, 740, 760, 777, 798, 840, 854, 888, 912, 915, 976, 1036, 1064, 1110, 1140, 1159, 1220, 1281, 1295, 1330, 1406, 1464, 1480, 1520, 1554, 1596, 1680, 1708, 1776, 1830, 1995, 2072, 2109, 2128, 2135, 2220, 2257, 2280, 2318, 2440, 2562, 2590, 2660, 2812, 2928, 2960, 3108, 3192, 3416, 3477, 3515, 3660, 3885, 3990, 4144, 4218, 4270, 4440, 4514, 4560, 4636, 4880, 4921, 5124, 5180, 5320, 5624, 5795, 6216, 6384, 6405, 6771, 6832, 6954, 7030, 7320, 7770, 7980, 8113, 8436, 8540, 8880, 9028, 9272, 9842, 10248, 10360, 10545, 10640, 11248, 11285, 11590, 12432, 12810, 13542, 13908, 14060, 14640, 14763, 15540, 15799, 15960, 16226, 16872, 17080, 17385, 18056, 18544, 19684, 20496, 20720, 21090, 22570, 23180, 24339, 24605, 25620, 27084, 27816, 28120, 29526, 31080, 31598, 31920, 32452, 33744, 33855, 34160, 34770, 36112, 39368, 40565, 42180, 42883, 45140, 46360, 47397, 48678, 49210, 51240, 54168, 55632, 56240, 59052, 62160, 63196, 64904, 67710, 69540, 73815, 78736, 78995, 81130, 84360, 85766, 90280, 92720, 94794, 97356, 98420, 102480, 108336, 118104, 121695, 126392, 128649, 129808, 135420, 139080, 147630, 157990, 162260, 168720, 171532, 180560, 189588, 194712, 196840, 214415, 236208, 236985, 243390, 252784, 257298, 270840, 278160, 295260, 300181, 315980, 324520, 343064, 379176, 389424, 393680, 428830, 473970, 486780, 514596, 541680, 590520, 600362, 631960, 643245, 649040, 686128, 758352, 857660, 900543, 947940, 973560, 1029192, 1181040, 1200724, 1263920, 1286490, 1500905, 1715320, 1801086, 1895880, 1947120, 2058384, 2401448, 2572980, 3001810, 3430640, 3602172, 3791760, 4502715, 4802896, 5145960, 6003620, 7204344, 9005430, 10291920, 12007240, 14408688, 18010860, 24014480, 36021720, 72043440]

約数ペア:

[(1, 72043440), (2, 36021720), (3, 24014480), (4, 18010860), (5, 14408688), (6, 12007240), (7, 10291920), (8, 9005430), (10, 7204344), (12, 6003620), (14, 5145960), (15, 4802896), (16, 4502715), (19, 3791760), (20, 3602172), (21, 3430640), (24, 3001810), (28, 2572980), (30, 2401448), (35, 2058384), (37, 1947120), (38, 1895880), (40, 1801086), (42, 1715320), (48, 1500905), (56, 1286490), (57, 1263920), (60, 1200724), (61, 1181040), (70, 1029192), (74, 973560), (76, 947940), (80, 900543), (84, 857660), (95, 758352), (105, 686128), (111, 649040), (112, 643245), (114, 631960), (120, 600362), (122, 590520), (133, 541680), (140, 514596), (148, 486780), (152, 473970), (168, 428830), (183, 393680), (185, 389424), (190, 379176), (210, 343064), (222, 324520), (228, 315980), (240, 300181), (244, 295260), (259, 278160), (266, 270840), (280, 257298), (285, 252784), (296, 243390), (304, 236985), (305, 236208), (336, 214415), (366, 196840), (370, 194712), (380, 189588), (399, 180560), (420, 171532), (427, 168720), (444, 162260), (456, 157990), (488, 147630), (518, 139080), (532, 135420), (555, 129808), (560, 128649), (570, 126392), (592, 121695), (610, 118104), (665, 108336), (703, 102480), (732, 98420), (740, 97356), (760, 94794), (777, 92720), (798, 90280), (840, 85766), (854, 84360), (888, 81130), (912, 78995), (915, 78736), (976, 73815), (1036, 69540), (1064, 67710), (1110, 64904), (1140, 63196), (1159, 62160), (1220, 59052), (1281, 56240), (1295, 55632), (1330, 54168), (1406, 51240), (1464, 49210), (1480, 48678), (1520, 47397), (1554, 46360), (1596, 45140), (1680, 42883), (1708, 42180), (1776, 40565), (1830, 39368), (1995, 36112), (2072, 34770), (2109, 34160), (2128, 33855), (2135, 33744), (2220, 32452), (2257, 31920), (2280, 31598), (2318, 31080), (2440, 29526), (2562, 28120), (2590, 27816), (2660, 27084), (2812, 25620), (2928, 24605), (2960, 24339), (3108, 23180), (3192, 22570), (3416, 21090), (3477, 20720), (3515, 20496), (3660, 19684), (3885, 18544), (3990, 18056), (4144, 17385), (4218, 17080), (4270, 16872), (4440, 16226), (4514, 15960), (4560, 15799), (4636, 15540), (4880, 14763), (4921, 14640), (5124, 14060), (5180, 13908), (5320, 13542), (5624, 12810), (5795, 12432), (6216, 11590), (6384, 11285), (6405, 11248), (6771, 10640), (6832, 10545), (6954, 10360), (7030, 10248), (7320, 9842), (7770, 9272), (7980, 9028), (8113, 8880), (8436, 8540)]