172180680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2887}}^1$

素因数の和:2979

約数の個数: 128

約数和(自身を含む): 598855680

約数和(自身を除く): 426675000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2840, 2887, 2982, 3976, 4260, 4970, 5774, 5964, 7455, 8520, 8661, 9940, 11548, 11928, 14435, 14910, 17322, 19880, 20209, 23096, 28870, 29820, 34644, 40418, 43305, 57740, 59640, 60627, 69288, 80836, 86610, 101045, 115480, 121254, 161672, 173220, 202090, 204977, 242508, 303135, 346440, 404180, 409954, 485016, 606270, 614931, 808360, 819908, 1024885, 1212540, 1229862, 1434839, 1639816, 2049770, 2425080, 2459724, 2869678, 3074655, 4099540, 4304517, 4919448, 5739356, 6149310, 7174195, 8199080, 8609034, 11478712, 12298620, 14348390, 17218068, 21522585, 24597240, 28696780, 34436136, 43045170, 57393560, 86090340, 172180680]

約数ペア:

[(1, 172180680), (2, 86090340), (3, 57393560), (4, 43045170), (5, 34436136), (6, 28696780), (7, 24597240), (8, 21522585), (10, 17218068), (12, 14348390), (14, 12298620), (15, 11478712), (20, 8609034), (21, 8199080), (24, 7174195), (28, 6149310), (30, 5739356), (35, 4919448), (40, 4304517), (42, 4099540), (56, 3074655), (60, 2869678), (70, 2459724), (71, 2425080), (84, 2049770), (105, 1639816), (120, 1434839), (140, 1229862), (142, 1212540), (168, 1024885), (210, 819908), (213, 808360), (280, 614931), (284, 606270), (355, 485016), (420, 409954), (426, 404180), (497, 346440), (568, 303135), (710, 242508), (840, 204977), (852, 202090), (994, 173220), (1065, 161672), (1420, 121254), (1491, 115480), (1704, 101045), (1988, 86610), (2130, 80836), (2485, 69288), (2840, 60627), (2887, 59640), (2982, 57740), (3976, 43305), (4260, 40418), (4970, 34644), (5774, 29820), (5964, 28870), (7455, 23096), (8520, 20209), (8661, 19880), (9940, 17322), (11548, 14910), (11928, 14435)]