81274557780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2043101}}^1$

素因数の和:2043146

約数の個数: 144

約数和(自身を含む): 281114490384

約数和(自身を除く): 199839932604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 6630, 7956, 9945, 13260, 19890, 39780, 2043101, 4086202, 6129303, 8172404, 10215505, 12258606, 18387909, 20431010, 24517212, 26560313, 30646515, 34732717, 36775818, 40862020, 53120626, 61293030, 69465434, 73551636, 79680939, 91939545, 104198151, 106241252, 122586060, 132801565, 138930868, 159361878, 173663585, 183879090, 208396302, 239042817, 265603130, 312594453, 318723756, 347327170, 367758180, 398404695, 416792604, 451525321, 478085634, 520990755, 531206260, 625188906, 694654340, 796809390, 903050642, 956171268, 1041981510, 1195214085, 1250377812, 1354575963, 1562972265, 1593618780, 1806101284, 2083963020, 2257626605, 2390428170, 2709151926, 3125944530, 4063727889, 4515253210, 4780856340, 5418303852, 6251889060, 6772879815, 8127455778, 9030506420, 13545759630, 16254911556, 20318639445, 27091519260, 40637278890, 81274557780]

約数ペア:

[(1, 81274557780), (2, 40637278890), (3, 27091519260), (4, 20318639445), (5, 16254911556), (6, 13545759630), (9, 9030506420), (10, 8127455778), (12, 6772879815), (13, 6251889060), (15, 5418303852), (17, 4780856340), (18, 4515253210), (20, 4063727889), (26, 3125944530), (30, 2709151926), (34, 2390428170), (36, 2257626605), (39, 2083963020), (45, 1806101284), (51, 1593618780), (52, 1562972265), (60, 1354575963), (65, 1250377812), (68, 1195214085), (78, 1041981510), (85, 956171268), (90, 903050642), (102, 796809390), (117, 694654340), (130, 625188906), (153, 531206260), (156, 520990755), (170, 478085634), (180, 451525321), (195, 416792604), (204, 398404695), (221, 367758180), (234, 347327170), (255, 318723756), (260, 312594453), (306, 265603130), (340, 239042817), (390, 208396302), (442, 183879090), (468, 173663585), (510, 159361878), (585, 138930868), (612, 132801565), (663, 122586060), (765, 106241252), (780, 104198151), (884, 91939545), (1020, 79680939), (1105, 73551636), (1170, 69465434), (1326, 61293030), (1530, 53120626), (1989, 40862020), (2210, 36775818), (2340, 34732717), (2652, 30646515), (3060, 26560313), (3315, 24517212), (3978, 20431010), (4420, 18387909), (6630, 12258606), (7956, 10215505), (9945, 8172404), (13260, 6129303), (19890, 4086202), (39780, 2043101)]