51621180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{229}}^1$

素因数の和:288

約数の個数: 144

約数和(自身を含む): 166074720

約数和(自身を除く): 114453540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 229, 255, 260, 289, 340, 390, 442, 458, 510, 578, 663, 687, 780, 867, 884, 916, 1020, 1105, 1145, 1156, 1326, 1374, 1445, 1734, 2210, 2290, 2652, 2748, 2890, 2977, 3315, 3435, 3468, 3757, 3893, 4335, 4420, 4580, 5780, 5954, 6630, 6870, 7514, 7786, 8670, 8931, 11271, 11679, 11908, 13260, 13740, 14885, 15028, 15572, 17340, 17862, 18785, 19465, 22542, 23358, 29770, 35724, 37570, 38930, 44655, 45084, 46716, 50609, 56355, 58395, 59540, 66181, 75140, 77860, 89310, 101218, 112710, 116790, 132362, 151827, 178620, 198543, 202436, 225420, 233580, 253045, 264724, 303654, 330905, 397086, 506090, 607308, 661810, 759135, 794172, 860353, 992715, 1012180, 1323620, 1518270, 1720706, 1985430, 2581059, 3036540, 3441412, 3970860, 4301765, 5162118, 8603530, 10324236, 12905295, 17207060, 25810590, 51621180]

約数ペア:

[(1, 51621180), (2, 25810590), (3, 17207060), (4, 12905295), (5, 10324236), (6, 8603530), (10, 5162118), (12, 4301765), (13, 3970860), (15, 3441412), (17, 3036540), (20, 2581059), (26, 1985430), (30, 1720706), (34, 1518270), (39, 1323620), (51, 1012180), (52, 992715), (60, 860353), (65, 794172), (68, 759135), (78, 661810), (85, 607308), (102, 506090), (130, 397086), (156, 330905), (170, 303654), (195, 264724), (204, 253045), (221, 233580), (229, 225420), (255, 202436), (260, 198543), (289, 178620), (340, 151827), (390, 132362), (442, 116790), (458, 112710), (510, 101218), (578, 89310), (663, 77860), (687, 75140), (780, 66181), (867, 59540), (884, 58395), (916, 56355), (1020, 50609), (1105, 46716), (1145, 45084), (1156, 44655), (1326, 38930), (1374, 37570), (1445, 35724), (1734, 29770), (2210, 23358), (2290, 22542), (2652, 19465), (2748, 18785), (2890, 17862), (2977, 17340), (3315, 15572), (3435, 15028), (3468, 14885), (3757, 13740), (3893, 13260), (4335, 11908), (4420, 11679), (4580, 11271), (5780, 8931), (5954, 8670), (6630, 7786), (6870, 7514)]