81801450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{17}}^3\times {\mathrm{37}}^1$

素因数の和:106

約数の個数: 144

約数和(自身を含む): 239817240

約数和(自身を除く): 158015790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 30, 34, 37, 45, 50, 51, 74, 75, 85, 90, 102, 111, 150, 153, 170, 185, 222, 225, 255, 289, 306, 333, 370, 425, 450, 510, 555, 578, 629, 666, 765, 850, 867, 925, 1110, 1258, 1275, 1445, 1530, 1665, 1734, 1850, 1887, 2550, 2601, 2775, 2890, 3145, 3330, 3774, 3825, 4335, 4913, 5202, 5550, 5661, 6290, 7225, 7650, 8325, 8670, 9435, 9826, 10693, 11322, 13005, 14450, 14739, 15725, 16650, 18870, 21386, 21675, 24565, 26010, 28305, 29478, 31450, 32079, 43350, 44217, 47175, 49130, 53465, 56610, 64158, 65025, 73695, 88434, 94350, 96237, 106930, 122825, 130050, 141525, 147390, 160395, 181781, 192474, 221085, 245650, 267325, 283050, 320790, 363562, 368475, 442170, 481185, 534650, 545343, 736950, 801975, 908905, 962370, 1090686, 1105425, 1603950, 1636029, 1817810, 2210850, 2405925, 2726715, 3272058, 4544525, 4811850, 5453430, 8180145, 9089050, 13633575, 16360290, 27267150, 40900725, 81801450]

約数ペア:

[(1, 81801450), (2, 40900725), (3, 27267150), (5, 16360290), (6, 13633575), (9, 9089050), (10, 8180145), (15, 5453430), (17, 4811850), (18, 4544525), (25, 3272058), (30, 2726715), (34, 2405925), (37, 2210850), (45, 1817810), (50, 1636029), (51, 1603950), (74, 1105425), (75, 1090686), (85, 962370), (90, 908905), (102, 801975), (111, 736950), (150, 545343), (153, 534650), (170, 481185), (185, 442170), (222, 368475), (225, 363562), (255, 320790), (289, 283050), (306, 267325), (333, 245650), (370, 221085), (425, 192474), (450, 181781), (510, 160395), (555, 147390), (578, 141525), (629, 130050), (666, 122825), (765, 106930), (850, 96237), (867, 94350), (925, 88434), (1110, 73695), (1258, 65025), (1275, 64158), (1445, 56610), (1530, 53465), (1665, 49130), (1734, 47175), (1850, 44217), (1887, 43350), (2550, 32079), (2601, 31450), (2775, 29478), (2890, 28305), (3145, 26010), (3330, 24565), (3774, 21675), (3825, 21386), (4335, 18870), (4913, 16650), (5202, 15725), (5550, 14739), (5661, 14450), (6290, 13005), (7225, 11322), (7650, 10693), (8325, 9826), (8670, 9435)]