251689620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1487}}^1$

素因数の和:1550

約数の個数: 192

約数和(自身を含む): 895942656

約数和(自身を除く): 644253036

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 31, 35, 39, 42, 52, 60, 62, 65, 70, 78, 84, 91, 93, 105, 124, 130, 140, 155, 156, 182, 186, 195, 210, 217, 260, 273, 310, 364, 372, 390, 403, 420, 434, 455, 465, 546, 620, 651, 780, 806, 868, 910, 930, 1085, 1092, 1209, 1302, 1365, 1487, 1612, 1820, 1860, 2015, 2170, 2418, 2604, 2730, 2821, 2974, 3255, 4030, 4340, 4461, 4836, 5460, 5642, 5948, 6045, 6510, 7435, 8060, 8463, 8922, 10409, 11284, 12090, 13020, 14105, 14870, 16926, 17844, 19331, 20818, 22305, 24180, 28210, 29740, 31227, 33852, 38662, 41636, 42315, 44610, 46097, 52045, 56420, 57993, 62454, 77324, 84630, 89220, 92194, 96655, 104090, 115986, 124908, 135317, 138291, 156135, 169260, 184388, 193310, 208180, 230485, 231972, 270634, 276582, 289965, 312270, 322679, 386620, 405951, 460970, 541268, 553164, 579930, 599261, 624540, 645358, 676585, 691455, 811902, 921940, 968037, 1159860, 1198522, 1290716, 1353170, 1382910, 1613395, 1623804, 1797783, 1936074, 2029755, 2397044, 2706340, 2765820, 2996305, 3226790, 3595566, 3872148, 4059510, 4194827, 4840185, 5992610, 6453580, 7191132, 8119020, 8389654, 8988915, 9680370, 11985220, 12584481, 16779308, 17977830, 19360740, 20974135, 25168962, 35955660, 41948270, 50337924, 62922405, 83896540, 125844810, 251689620]

約数ペア:

[(1, 251689620), (2, 125844810), (3, 83896540), (4, 62922405), (5, 50337924), (6, 41948270), (7, 35955660), (10, 25168962), (12, 20974135), (13, 19360740), (14, 17977830), (15, 16779308), (20, 12584481), (21, 11985220), (26, 9680370), (28, 8988915), (30, 8389654), (31, 8119020), (35, 7191132), (39, 6453580), (42, 5992610), (52, 4840185), (60, 4194827), (62, 4059510), (65, 3872148), (70, 3595566), (78, 3226790), (84, 2996305), (91, 2765820), (93, 2706340), (105, 2397044), (124, 2029755), (130, 1936074), (140, 1797783), (155, 1623804), (156, 1613395), (182, 1382910), (186, 1353170), (195, 1290716), (210, 1198522), (217, 1159860), (260, 968037), (273, 921940), (310, 811902), (364, 691455), (372, 676585), (390, 645358), (403, 624540), (420, 599261), (434, 579930), (455, 553164), (465, 541268), (546, 460970), (620, 405951), (651, 386620), (780, 322679), (806, 312270), (868, 289965), (910, 276582), (930, 270634), (1085, 231972), (1092, 230485), (1209, 208180), (1302, 193310), (1365, 184388), (1487, 169260), (1612, 156135), (1820, 138291), (1860, 135317), (2015, 124908), (2170, 115986), (2418, 104090), (2604, 96655), (2730, 92194), (2821, 89220), (2974, 84630), (3255, 77324), (4030, 62454), (4340, 57993), (4461, 56420), (4836, 52045), (5460, 46097), (5642, 44610), (5948, 42315), (6045, 41636), (6510, 38662), (7435, 33852), (8060, 31227), (8463, 29740), (8922, 28210), (10409, 24180), (11284, 22305), (12090, 20818), (13020, 19331), (14105, 17844), (14870, 16926)]