81719100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:181

約数の個数: 216

約数和(自身を含む): 276232320

約数和(自身を除く): 194513220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 29, 30, 31, 36, 45, 50, 58, 60, 62, 75, 87, 90, 93, 100, 101, 116, 124, 145, 150, 155, 174, 180, 186, 202, 225, 261, 279, 290, 300, 303, 310, 348, 372, 404, 435, 450, 465, 505, 522, 558, 580, 606, 620, 725, 775, 870, 899, 900, 909, 930, 1010, 1044, 1116, 1212, 1305, 1395, 1450, 1515, 1550, 1740, 1798, 1818, 1860, 2020, 2175, 2325, 2525, 2610, 2697, 2790, 2900, 2929, 3030, 3100, 3131, 3596, 3636, 4350, 4495, 4545, 4650, 5050, 5220, 5394, 5580, 5858, 6060, 6262, 6525, 6975, 7575, 8091, 8700, 8787, 8990, 9090, 9300, 9393, 10100, 10788, 11716, 12524, 13050, 13485, 13950, 14645, 15150, 15655, 16182, 17574, 17980, 18180, 18786, 22475, 22725, 26100, 26361, 26970, 27900, 28179, 29290, 30300, 31310, 32364, 35148, 37572, 40455, 43935, 44950, 45450, 46965, 52722, 53940, 56358, 58580, 62620, 67425, 73225, 78275, 80910, 87870, 89900, 90799, 90900, 93930, 105444, 112716, 131805, 134850, 140895, 146450, 156550, 161820, 175740, 181598, 187860, 202275, 219675, 234825, 263610, 269700, 272397, 281790, 292900, 313100, 363196, 404550, 439350, 453995, 469650, 527220, 544794, 563580, 659025, 704475, 809100, 817191, 878700, 907990, 939300, 1089588, 1318050, 1361985, 1408950, 1634382, 1815980, 2269975, 2636100, 2723970, 2817900, 3268764, 4085955, 4539950, 5447940, 6809925, 8171910, 9079900, 13619850, 16343820, 20429775, 27239700, 40859550, 81719100]

約数ペア:

[(1, 81719100), (2, 40859550), (3, 27239700), (4, 20429775), (5, 16343820), (6, 13619850), (9, 9079900), (10, 8171910), (12, 6809925), (15, 5447940), (18, 4539950), (20, 4085955), (25, 3268764), (29, 2817900), (30, 2723970), (31, 2636100), (36, 2269975), (45, 1815980), (50, 1634382), (58, 1408950), (60, 1361985), (62, 1318050), (75, 1089588), (87, 939300), (90, 907990), (93, 878700), (100, 817191), (101, 809100), (116, 704475), (124, 659025), (145, 563580), (150, 544794), (155, 527220), (174, 469650), (180, 453995), (186, 439350), (202, 404550), (225, 363196), (261, 313100), (279, 292900), (290, 281790), (300, 272397), (303, 269700), (310, 263610), (348, 234825), (372, 219675), (404, 202275), (435, 187860), (450, 181598), (465, 175740), (505, 161820), (522, 156550), (558, 146450), (580, 140895), (606, 134850), (620, 131805), (725, 112716), (775, 105444), (870, 93930), (899, 90900), (900, 90799), (909, 89900), (930, 87870), (1010, 80910), (1044, 78275), (1116, 73225), (1212, 67425), (1305, 62620), (1395, 58580), (1450, 56358), (1515, 53940), (1550, 52722), (1740, 46965), (1798, 45450), (1818, 44950), (1860, 43935), (2020, 40455), (2175, 37572), (2325, 35148), (2525, 32364), (2610, 31310), (2697, 30300), (2790, 29290), (2900, 28179), (2929, 27900), (3030, 26970), (3100, 26361), (3131, 26100), (3596, 22725), (3636, 22475), (4350, 18786), (4495, 18180), (4545, 17980), (4650, 17574), (5050, 16182), (5220, 15655), (5394, 15150), (5580, 14645), (5858, 13950), (6060, 13485), (6262, 13050), (6525, 12524), (6975, 11716), (7575, 10788), (8091, 10100), (8700, 9393), (8787, 9300), (8990, 9090)]