85721160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 256

約数和(自身を含む): 319334400

約数和(自身を除く): 233613240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 41, 42, 56, 57, 60, 70, 76, 82, 84, 95, 105, 114, 120, 123, 131, 133, 140, 152, 164, 168, 190, 205, 210, 228, 246, 262, 266, 280, 285, 287, 328, 380, 393, 399, 410, 420, 456, 492, 524, 532, 570, 574, 615, 655, 665, 760, 779, 786, 798, 820, 840, 861, 917, 984, 1048, 1064, 1140, 1148, 1230, 1310, 1330, 1435, 1558, 1572, 1596, 1640, 1722, 1834, 1965, 1995, 2280, 2296, 2337, 2460, 2489, 2620, 2660, 2751, 2870, 3116, 3144, 3192, 3444, 3668, 3895, 3930, 3990, 4305, 4585, 4674, 4920, 4978, 5240, 5320, 5371, 5453, 5502, 5740, 6232, 6888, 7336, 7467, 7790, 7860, 7980, 8610, 9170, 9348, 9956, 10742, 10906, 11004, 11480, 11685, 12445, 13755, 14934, 15580, 15720, 15960, 16113, 16359, 17220, 17423, 18340, 18696, 19912, 21484, 21812, 22008, 23370, 24890, 26855, 27265, 27510, 29868, 31160, 32226, 32718, 34440, 34846, 36680, 37335, 37597, 42968, 43624, 46740, 49780, 52269, 53710, 54530, 55020, 59736, 64452, 65436, 69692, 74670, 75194, 80565, 81795, 87115, 93480, 99560, 102049, 104538, 107420, 109060, 110040, 112791, 128904, 130872, 139384, 149340, 150388, 161130, 163590, 174230, 187985, 204098, 209076, 214840, 218120, 225582, 261345, 298680, 300776, 306147, 322260, 327180, 348460, 375970, 408196, 418152, 451164, 510245, 522690, 563955, 612294, 644520, 654360, 696920, 714343, 751940, 816392, 902328, 1020490, 1045380, 1127910, 1224588, 1428686, 1503880, 1530735, 2040980, 2090760, 2143029, 2255820, 2449176, 2857372, 3061470, 3571715, 4081960, 4286058, 4511640, 5714744, 6122940, 7143430, 8572116, 10715145, 12245880, 14286860, 17144232, 21430290, 28573720, 42860580, 85721160]

約数ペア:

[(1, 85721160), (2, 42860580), (3, 28573720), (4, 21430290), (5, 17144232), (6, 14286860), (7, 12245880), (8, 10715145), (10, 8572116), (12, 7143430), (14, 6122940), (15, 5714744), (19, 4511640), (20, 4286058), (21, 4081960), (24, 3571715), (28, 3061470), (30, 2857372), (35, 2449176), (38, 2255820), (40, 2143029), (41, 2090760), (42, 2040980), (56, 1530735), (57, 1503880), (60, 1428686), (70, 1224588), (76, 1127910), (82, 1045380), (84, 1020490), (95, 902328), (105, 816392), (114, 751940), (120, 714343), (123, 696920), (131, 654360), (133, 644520), (140, 612294), (152, 563955), (164, 522690), (168, 510245), (190, 451164), (205, 418152), (210, 408196), (228, 375970), (246, 348460), (262, 327180), (266, 322260), (280, 306147), (285, 300776), (287, 298680), (328, 261345), (380, 225582), (393, 218120), (399, 214840), (410, 209076), (420, 204098), (456, 187985), (492, 174230), (524, 163590), (532, 161130), (570, 150388), (574, 149340), (615, 139384), (655, 130872), (665, 128904), (760, 112791), (779, 110040), (786, 109060), (798, 107420), (820, 104538), (840, 102049), (861, 99560), (917, 93480), (984, 87115), (1048, 81795), (1064, 80565), (1140, 75194), (1148, 74670), (1230, 69692), (1310, 65436), (1330, 64452), (1435, 59736), (1558, 55020), (1572, 54530), (1596, 53710), (1640, 52269), (1722, 49780), (1834, 46740), (1965, 43624), (1995, 42968), (2280, 37597), (2296, 37335), (2337, 36680), (2460, 34846), (2489, 34440), (2620, 32718), (2660, 32226), (2751, 31160), (2870, 29868), (3116, 27510), (3144, 27265), (3192, 26855), (3444, 24890), (3668, 23370), (3895, 22008), (3930, 21812), (3990, 21484), (4305, 19912), (4585, 18696), (4674, 18340), (4920, 17423), (4978, 17220), (5240, 16359), (5320, 16113), (5371, 15960), (5453, 15720), (5502, 15580), (5740, 14934), (6232, 13755), (6888, 12445), (7336, 11685), (7467, 11480), (7790, 11004), (7860, 10906), (7980, 10742), (8610, 9956), (9170, 9348)]