721452420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1$

素因数の和:657

約数の個数: 288

約数和(自身を含む): 2576945280

約数和(自身を除く): 1855492860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 36, 38, 39, 45, 52, 54, 57, 60, 65, 76, 78, 81, 90, 95, 108, 114, 117, 130, 135, 156, 162, 171, 180, 190, 195, 228, 234, 243, 247, 260, 270, 285, 324, 342, 351, 380, 390, 405, 468, 486, 494, 513, 540, 570, 585, 601, 684, 702, 741, 780, 810, 855, 972, 988, 1026, 1053, 1140, 1170, 1202, 1215, 1235, 1404, 1482, 1539, 1620, 1710, 1755, 1803, 2052, 2106, 2223, 2340, 2404, 2430, 2470, 2565, 2964, 3005, 3078, 3159, 3420, 3510, 3606, 3705, 4212, 4446, 4617, 4860, 4940, 5130, 5265, 5409, 6010, 6156, 6318, 6669, 7020, 7212, 7410, 7695, 7813, 8892, 9015, 9234, 10260, 10530, 10818, 11115, 11419, 12020, 12636, 13338, 14820, 15390, 15626, 15795, 16227, 18030, 18468, 20007, 21060, 21636, 22230, 22838, 23085, 23439, 26676, 27045, 30780, 31252, 31590, 32454, 33345, 34257, 36060, 39065, 40014, 44460, 45676, 46170, 46878, 48681, 54090, 57095, 60021, 63180, 64908, 66690, 68514, 70317, 78130, 80028, 81135, 92340, 93756, 97362, 100035, 102771, 108180, 114190, 117195, 120042, 133380, 137028, 140634, 146043, 148447, 156260, 162270, 171285, 194724, 200070, 205542, 210951, 228380, 234390, 240084, 243405, 281268, 292086, 296894, 300105, 308313, 324540, 342570, 351585, 400140, 411084, 421902, 445341, 468780, 486810, 513855, 584172, 593788, 600210, 616626, 632853, 685140, 703170, 730215, 742235, 843804, 890682, 924939, 973620, 1027710, 1054755, 1200420, 1233252, 1265706, 1336023, 1406340, 1460430, 1484470, 1541565, 1781364, 1849878, 1898559, 2055420, 2109510, 2226705, 2531412, 2672046, 2774817, 2920860, 2968940, 3083130, 3164265, 3699756, 3797118, 4008069, 4219020, 4453410, 4624695, 5344092, 5549634, 6166260, 6328530, 6680115, 7594236, 8016138, 8906820, 9249390, 9492795, 11099268, 12024207, 12657060, 13360230, 13874085, 16032276, 18498780, 18985590, 20040345, 24048414, 26720460, 27748170, 36072621, 37971180, 40080690, 48096828, 55496340, 60121035, 72145242, 80161380, 120242070, 144290484, 180363105, 240484140, 360726210, 721452420]

約数ペア:

[(1, 721452420), (2, 360726210), (3, 240484140), (4, 180363105), (5, 144290484), (6, 120242070), (9, 80161380), (10, 72145242), (12, 60121035), (13, 55496340), (15, 48096828), (18, 40080690), (19, 37971180), (20, 36072621), (26, 27748170), (27, 26720460), (30, 24048414), (36, 20040345), (38, 18985590), (39, 18498780), (45, 16032276), (52, 13874085), (54, 13360230), (57, 12657060), (60, 12024207), (65, 11099268), (76, 9492795), (78, 9249390), (81, 8906820), (90, 8016138), (95, 7594236), (108, 6680115), (114, 6328530), (117, 6166260), (130, 5549634), (135, 5344092), (156, 4624695), (162, 4453410), (171, 4219020), (180, 4008069), (190, 3797118), (195, 3699756), (228, 3164265), (234, 3083130), (243, 2968940), (247, 2920860), (260, 2774817), (270, 2672046), (285, 2531412), (324, 2226705), (342, 2109510), (351, 2055420), (380, 1898559), (390, 1849878), (405, 1781364), (468, 1541565), (486, 1484470), (494, 1460430), (513, 1406340), (540, 1336023), (570, 1265706), (585, 1233252), (601, 1200420), (684, 1054755), (702, 1027710), (741, 973620), (780, 924939), (810, 890682), (855, 843804), (972, 742235), (988, 730215), (1026, 703170), (1053, 685140), (1140, 632853), (1170, 616626), (1202, 600210), (1215, 593788), (1235, 584172), (1404, 513855), (1482, 486810), (1539, 468780), (1620, 445341), (1710, 421902), (1755, 411084), (1803, 400140), (2052, 351585), (2106, 342570), (2223, 324540), (2340, 308313), (2404, 300105), (2430, 296894), (2470, 292086), (2565, 281268), (2964, 243405), (3005, 240084), (3078, 234390), (3159, 228380), (3420, 210951), (3510, 205542), (3606, 200070), (3705, 194724), (4212, 171285), (4446, 162270), (4617, 156260), (4860, 148447), (4940, 146043), (5130, 140634), (5265, 137028), (5409, 133380), (6010, 120042), (6156, 117195), (6318, 114190), (6669, 108180), (7020, 102771), (7212, 100035), (7410, 97362), (7695, 93756), (7813, 92340), (8892, 81135), (9015, 80028), (9234, 78130), (10260, 70317), (10530, 68514), (10818, 66690), (11115, 64908), (11419, 63180), (12020, 60021), (12636, 57095), (13338, 54090), (14820, 48681), (15390, 46878), (15626, 46170), (15795, 45676), (16227, 44460), (18030, 40014), (18468, 39065), (20007, 36060), (21060, 34257), (21636, 33345), (22230, 32454), (22838, 31590), (23085, 31252), (23439, 30780), (26676, 27045)]