71261820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2459}}^1$

素因数の和:2504

約数の個数: 144

約数和(自身を含む): 257886720

約数和(自身を除く): 186624900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 644, 690, 805, 828, 966, 1035, 1260, 1380, 1449, 1610, 1932, 2070, 2415, 2459, 2898, 3220, 4140, 4830, 4918, 5796, 7245, 7377, 9660, 9836, 12295, 14490, 14754, 17213, 22131, 24590, 28980, 29508, 34426, 36885, 44262, 49180, 51639, 56557, 68852, 73770, 86065, 88524, 103278, 110655, 113114, 147540, 154917, 169671, 172130, 206556, 221310, 226228, 258195, 282785, 309834, 339342, 344260, 395899, 442620, 509013, 516390, 565570, 619668, 678684, 774585, 791798, 848355, 1018026, 1032780, 1131140, 1187697, 1549170, 1583596, 1696710, 1979495, 2036052, 2375394, 2545065, 3098340, 3393420, 3563091, 3958990, 4750788, 5090130, 5938485, 7126182, 7917980, 10180260, 11876970, 14252364, 17815455, 23753940, 35630910, 71261820]

約数ペア:

[(1, 71261820), (2, 35630910), (3, 23753940), (4, 17815455), (5, 14252364), (6, 11876970), (7, 10180260), (9, 7917980), (10, 7126182), (12, 5938485), (14, 5090130), (15, 4750788), (18, 3958990), (20, 3563091), (21, 3393420), (23, 3098340), (28, 2545065), (30, 2375394), (35, 2036052), (36, 1979495), (42, 1696710), (45, 1583596), (46, 1549170), (60, 1187697), (63, 1131140), (69, 1032780), (70, 1018026), (84, 848355), (90, 791798), (92, 774585), (105, 678684), (115, 619668), (126, 565570), (138, 516390), (140, 509013), (161, 442620), (180, 395899), (207, 344260), (210, 339342), (230, 309834), (252, 282785), (276, 258195), (315, 226228), (322, 221310), (345, 206556), (414, 172130), (420, 169671), (460, 154917), (483, 147540), (630, 113114), (644, 110655), (690, 103278), (805, 88524), (828, 86065), (966, 73770), (1035, 68852), (1260, 56557), (1380, 51639), (1449, 49180), (1610, 44262), (1932, 36885), (2070, 34426), (2415, 29508), (2459, 28980), (2898, 24590), (3220, 22131), (4140, 17213), (4830, 14754), (4918, 14490), (5796, 12295), (7245, 9836), (7377, 9660)]