71215380

素因数分解:

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

素因数の和:123

約数の個数: 162

約数和(自身を含む): 235844154

約数和(自身を除く): 164628774

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 37, 45, 51, 60, 68, 74, 85, 90, 102, 111, 148, 153, 170, 180, 185, 204, 222, 255, 289, 306, 333, 340, 370, 444, 510, 555, 578, 612, 629, 666, 740, 765, 867, 1020, 1110, 1156, 1258, 1332, 1369, 1445, 1530, 1665, 1734, 1887, 2220, 2516, 2601, 2738, 2890, 3060, 3145, 3330, 3468, 3774, 4107, 4335, 5202, 5476, 5661, 5780, 6290, 6660, 6845, 7548, 8214, 8670, 9435, 10404, 10693, 11322, 12321, 12580, 13005, 13690, 16428, 17340, 18870, 20535, 21386, 22644, 23273, 24642, 26010, 27380, 28305, 32079, 37740, 41070, 42772, 46546, 49284, 52020, 53465, 56610, 61605, 64158, 69819, 82140, 93092, 96237, 106930, 113220, 116365, 123210, 128316, 139638, 160395, 192474, 209457, 213860, 232730, 246420, 279276, 320790, 349095, 384948, 395641, 418914, 465460, 481185, 641580, 698190, 791282, 837828, 962370, 1047285, 1186923, 1396380, 1582564, 1924740, 1978205, 2094570, 2373846, 3560769, 3956410, 4189140, 4747692, 5934615, 7121538, 7912820, 11869230, 14243076, 17803845, 23738460, 35607690, 71215380]

約数ペア:

[(1, 71215380), (2, 35607690), (3, 23738460), (4, 17803845), (5, 14243076), (6, 11869230), (9, 7912820), (10, 7121538), (12, 5934615), (15, 4747692), (17, 4189140), (18, 3956410), (20, 3560769), (30, 2373846), (34, 2094570), (36, 1978205), (37, 1924740), (45, 1582564), (51, 1396380), (60, 1186923), (68, 1047285), (74, 962370), (85, 837828), (90, 791282), (102, 698190), (111, 641580), (148, 481185), (153, 465460), (170, 418914), (180, 395641), (185, 384948), (204, 349095), (222, 320790), (255, 279276), (289, 246420), (306, 232730), (333, 213860), (340, 209457), (370, 192474), (444, 160395), (510, 139638), (555, 128316), (578, 123210), (612, 116365), (629, 113220), (666, 106930), (740, 96237), (765, 93092), (867, 82140), (1020, 69819), (1110, 64158), (1156, 61605), (1258, 56610), (1332, 53465), (1369, 52020), (1445, 49284), (1530, 46546), (1665, 42772), (1734, 41070), (1887, 37740), (2220, 32079), (2516, 28305), (2601, 27380), (2738, 26010), (2890, 24642), (3060, 23273), (3145, 22644), (3330, 21386), (3468, 20535), (3774, 18870), (4107, 17340), (4335, 16428), (5202, 13690), (5476, 13005), (5661, 12580), (5780, 12321), (6290, 11322), (6660, 10693), (6845, 10404), (7548, 9435), (8214, 8670)]