81863280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1697}}^1$

素因数の和:1783

約数の個数: 120

約数和(自身を含む): 279191952

約数和(自身を除く): 197328672

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 67, 72, 80, 90, 120, 134, 144, 180, 201, 240, 268, 335, 360, 402, 536, 603, 670, 720, 804, 1005, 1072, 1206, 1340, 1608, 1697, 2010, 2412, 2680, 3015, 3216, 3394, 4020, 4824, 5091, 5360, 6030, 6788, 8040, 8485, 9648, 10182, 12060, 13576, 15273, 16080, 16970, 20364, 24120, 25455, 27152, 30546, 33940, 40728, 48240, 50910, 61092, 67880, 76365, 81456, 101820, 113699, 122184, 135760, 152730, 203640, 227398, 244368, 305460, 341097, 407280, 454796, 568495, 610920, 682194, 909592, 1023291, 1136990, 1221840, 1364388, 1705485, 1819184, 2046582, 2273980, 2728776, 3410970, 4093164, 4547960, 5116455, 5457552, 6821940, 8186328, 9095920, 10232910, 13643880, 16372656, 20465820, 27287760, 40931640, 81863280]

約数ペア:

[(1, 81863280), (2, 40931640), (3, 27287760), (4, 20465820), (5, 16372656), (6, 13643880), (8, 10232910), (9, 9095920), (10, 8186328), (12, 6821940), (15, 5457552), (16, 5116455), (18, 4547960), (20, 4093164), (24, 3410970), (30, 2728776), (36, 2273980), (40, 2046582), (45, 1819184), (48, 1705485), (60, 1364388), (67, 1221840), (72, 1136990), (80, 1023291), (90, 909592), (120, 682194), (134, 610920), (144, 568495), (180, 454796), (201, 407280), (240, 341097), (268, 305460), (335, 244368), (360, 227398), (402, 203640), (536, 152730), (603, 135760), (670, 122184), (720, 113699), (804, 101820), (1005, 81456), (1072, 76365), (1206, 67880), (1340, 61092), (1608, 50910), (1697, 48240), (2010, 40728), (2412, 33940), (2680, 30546), (3015, 27152), (3216, 25455), (3394, 24120), (4020, 20364), (4824, 16970), (5091, 16080), (5360, 15273), (6030, 13576), (6788, 12060), (8040, 10182), (8485, 9648)]