72178920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1657}}^1$

素因数の和:1696

約数の個数: 144

約数和(自身を含む): 258001380

約数和(自身を除く): 185822460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 440, 484, 495, 605, 660, 726, 792, 968, 990, 1089, 1210, 1320, 1452, 1657, 1815, 1980, 2178, 2420, 2904, 3314, 3630, 3960, 4356, 4840, 4971, 5445, 6628, 7260, 8285, 8712, 9942, 10890, 13256, 14520, 14913, 16570, 18227, 19884, 21780, 24855, 29826, 33140, 36454, 39768, 43560, 49710, 54681, 59652, 66280, 72908, 74565, 91135, 99420, 109362, 119304, 145816, 149130, 164043, 182270, 198840, 200497, 218724, 273405, 298260, 328086, 364540, 400994, 437448, 546810, 596520, 601491, 656172, 729080, 801988, 820215, 1002485, 1093620, 1202982, 1312344, 1603976, 1640430, 1804473, 2004970, 2187240, 2405964, 3007455, 3280860, 3608946, 4009940, 4811928, 6014910, 6561720, 7217892, 8019880, 9022365, 12029820, 14435784, 18044730, 24059640, 36089460, 72178920]

約数ペア:

[(1, 72178920), (2, 36089460), (3, 24059640), (4, 18044730), (5, 14435784), (6, 12029820), (8, 9022365), (9, 8019880), (10, 7217892), (11, 6561720), (12, 6014910), (15, 4811928), (18, 4009940), (20, 3608946), (22, 3280860), (24, 3007455), (30, 2405964), (33, 2187240), (36, 2004970), (40, 1804473), (44, 1640430), (45, 1603976), (55, 1312344), (60, 1202982), (66, 1093620), (72, 1002485), (88, 820215), (90, 801988), (99, 729080), (110, 656172), (120, 601491), (121, 596520), (132, 546810), (165, 437448), (180, 400994), (198, 364540), (220, 328086), (242, 298260), (264, 273405), (330, 218724), (360, 200497), (363, 198840), (396, 182270), (440, 164043), (484, 149130), (495, 145816), (605, 119304), (660, 109362), (726, 99420), (792, 91135), (968, 74565), (990, 72908), (1089, 66280), (1210, 59652), (1320, 54681), (1452, 49710), (1657, 43560), (1815, 39768), (1980, 36454), (2178, 33140), (2420, 29826), (2904, 24855), (3314, 21780), (3630, 19884), (3960, 18227), (4356, 16570), (4840, 14913), (4971, 14520), (5445, 13256), (6628, 10890), (7260, 9942), (8285, 8712)]