81312360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1733}}^1$

素因数の和:1787

約数の個数: 128

約数和(自身を含む): 269671680

約数和(自身を除く): 188359320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 680, 690, 782, 920, 1020, 1173, 1380, 1564, 1733, 1955, 2040, 2346, 2760, 3128, 3466, 3910, 4692, 5199, 5865, 6932, 7820, 8665, 9384, 10398, 11730, 13864, 15640, 17330, 20796, 23460, 25995, 29461, 34660, 39859, 41592, 46920, 51990, 58922, 69320, 79718, 88383, 103980, 117844, 119577, 147305, 159436, 176766, 199295, 207960, 235688, 239154, 294610, 318872, 353532, 398590, 441915, 478308, 589220, 597885, 677603, 707064, 797180, 883830, 956616, 1178440, 1195770, 1355206, 1594360, 1767660, 2032809, 2391540, 2710412, 3388015, 3535320, 4065618, 4783080, 5420824, 6776030, 8131236, 10164045, 13552060, 16262472, 20328090, 27104120, 40656180, 81312360]

約数ペア:

[(1, 81312360), (2, 40656180), (3, 27104120), (4, 20328090), (5, 16262472), (6, 13552060), (8, 10164045), (10, 8131236), (12, 6776030), (15, 5420824), (17, 4783080), (20, 4065618), (23, 3535320), (24, 3388015), (30, 2710412), (34, 2391540), (40, 2032809), (46, 1767660), (51, 1594360), (60, 1355206), (68, 1195770), (69, 1178440), (85, 956616), (92, 883830), (102, 797180), (115, 707064), (120, 677603), (136, 597885), (138, 589220), (170, 478308), (184, 441915), (204, 398590), (230, 353532), (255, 318872), (276, 294610), (340, 239154), (345, 235688), (391, 207960), (408, 199295), (460, 176766), (510, 159436), (552, 147305), (680, 119577), (690, 117844), (782, 103980), (920, 88383), (1020, 79718), (1173, 69320), (1380, 58922), (1564, 51990), (1733, 46920), (1955, 41592), (2040, 39859), (2346, 34660), (2760, 29461), (3128, 25995), (3466, 23460), (3910, 20796), (4692, 17330), (5199, 15640), (5865, 13864), (6932, 11730), (7820, 10398), (8665, 9384)]