915465980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1060

約数の個数: 192

約数和(自身を含む): 2519838720

約数和(自身を除く): 1604372740

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 19, 20, 22, 26, 34, 38, 44, 52, 55, 65, 68, 76, 85, 95, 110, 130, 143, 170, 187, 190, 209, 220, 221, 247, 260, 286, 323, 340, 374, 380, 418, 442, 494, 572, 646, 715, 748, 836, 884, 935, 988, 991, 1045, 1105, 1235, 1292, 1430, 1615, 1870, 1982, 2090, 2210, 2431, 2470, 2717, 2860, 3230, 3553, 3740, 3964, 4180, 4199, 4420, 4862, 4940, 4955, 5434, 6460, 7106, 8398, 9724, 9910, 10868, 10901, 12155, 12883, 13585, 14212, 16796, 16847, 17765, 18829, 19820, 20995, 21802, 24310, 25766, 27170, 33694, 35530, 37658, 41990, 43604, 46189, 48620, 51532, 54340, 54505, 64415, 67388, 71060, 75316, 83980, 84235, 92378, 94145, 109010, 128830, 141713, 168470, 184756, 185317, 188290, 207119, 218020, 219011, 230945, 244777, 257660, 283426, 320093, 336940, 370634, 376580, 414238, 438022, 461890, 489554, 566852, 640186, 708565, 741268, 828476, 876044, 923780, 926585, 979108, 1035595, 1095055, 1223885, 1280372, 1417130, 1600465, 1853170, 2071190, 2190110, 2409121, 2447770, 2692547, 2834260, 3200930, 3521023, 3706340, 4142380, 4161209, 4380220, 4818242, 4895540, 5385094, 6401860, 7042046, 8322418, 9636484, 10770188, 12045605, 13462735, 14084092, 16644836, 17605115, 20806045, 24091210, 26925470, 35210230, 41612090, 45773299, 48182420, 53850940, 70420460, 83224180, 91546598, 183093196, 228866495, 457732990, 915465980]

約数ペア:

[(1, 915465980), (2, 457732990), (4, 228866495), (5, 183093196), (10, 91546598), (11, 83224180), (13, 70420460), (17, 53850940), (19, 48182420), (20, 45773299), (22, 41612090), (26, 35210230), (34, 26925470), (38, 24091210), (44, 20806045), (52, 17605115), (55, 16644836), (65, 14084092), (68, 13462735), (76, 12045605), (85, 10770188), (95, 9636484), (110, 8322418), (130, 7042046), (143, 6401860), (170, 5385094), (187, 4895540), (190, 4818242), (209, 4380220), (220, 4161209), (221, 4142380), (247, 3706340), (260, 3521023), (286, 3200930), (323, 2834260), (340, 2692547), (374, 2447770), (380, 2409121), (418, 2190110), (442, 2071190), (494, 1853170), (572, 1600465), (646, 1417130), (715, 1280372), (748, 1223885), (836, 1095055), (884, 1035595), (935, 979108), (988, 926585), (991, 923780), (1045, 876044), (1105, 828476), (1235, 741268), (1292, 708565), (1430, 640186), (1615, 566852), (1870, 489554), (1982, 461890), (2090, 438022), (2210, 414238), (2431, 376580), (2470, 370634), (2717, 336940), (2860, 320093), (3230, 283426), (3553, 257660), (3740, 244777), (3964, 230945), (4180, 219011), (4199, 218020), (4420, 207119), (4862, 188290), (4940, 185317), (4955, 184756), (5434, 168470), (6460, 141713), (7106, 128830), (8398, 109010), (9724, 94145), (9910, 92378), (10868, 84235), (10901, 83980), (12155, 75316), (12883, 71060), (13585, 67388), (14212, 64415), (16796, 54505), (16847, 54340), (17765, 51532), (18829, 48620), (19820, 46189), (20995, 43604), (21802, 41990), (24310, 37658), (25766, 35530), (27170, 33694)]