71686260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:518

約数の個数: 144

約数和(自身を含む): 232727040

約数和(自身を除く): 161040780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 31, 36, 45, 58, 60, 62, 87, 90, 93, 116, 124, 145, 155, 174, 180, 186, 261, 279, 290, 310, 348, 372, 435, 443, 465, 522, 558, 580, 620, 870, 886, 899, 930, 1044, 1116, 1305, 1329, 1395, 1740, 1772, 1798, 1860, 2215, 2610, 2658, 2697, 2790, 3596, 3987, 4430, 4495, 5220, 5316, 5394, 5580, 6645, 7974, 8091, 8860, 8990, 10788, 12847, 13290, 13485, 13733, 15948, 16182, 17980, 19935, 25694, 26580, 26970, 27466, 32364, 38541, 39870, 40455, 41199, 51388, 53940, 54932, 64235, 68665, 77082, 79740, 80910, 82398, 115623, 123597, 128470, 137330, 154164, 161820, 164796, 192705, 205995, 231246, 247194, 256940, 274660, 385410, 398257, 411990, 462492, 494388, 578115, 617985, 770820, 796514, 823980, 1156230, 1194771, 1235970, 1593028, 1991285, 2312460, 2389542, 2471940, 3584313, 3982570, 4779084, 5973855, 7168626, 7965140, 11947710, 14337252, 17921565, 23895420, 35843130, 71686260]

約数ペア:

[(1, 71686260), (2, 35843130), (3, 23895420), (4, 17921565), (5, 14337252), (6, 11947710), (9, 7965140), (10, 7168626), (12, 5973855), (15, 4779084), (18, 3982570), (20, 3584313), (29, 2471940), (30, 2389542), (31, 2312460), (36, 1991285), (45, 1593028), (58, 1235970), (60, 1194771), (62, 1156230), (87, 823980), (90, 796514), (93, 770820), (116, 617985), (124, 578115), (145, 494388), (155, 462492), (174, 411990), (180, 398257), (186, 385410), (261, 274660), (279, 256940), (290, 247194), (310, 231246), (348, 205995), (372, 192705), (435, 164796), (443, 161820), (465, 154164), (522, 137330), (558, 128470), (580, 123597), (620, 115623), (870, 82398), (886, 80910), (899, 79740), (930, 77082), (1044, 68665), (1116, 64235), (1305, 54932), (1329, 53940), (1395, 51388), (1740, 41199), (1772, 40455), (1798, 39870), (1860, 38541), (2215, 32364), (2610, 27466), (2658, 26970), (2697, 26580), (2790, 25694), (3596, 19935), (3987, 17980), (4430, 16182), (4495, 15948), (5220, 13733), (5316, 13485), (5394, 13290), (5580, 12847), (6645, 10788), (7974, 8990), (8091, 8860)]