39897720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{307}}^1$

素因数の和:362

約数の個数: 144

約数和(自身を含む): 137297160

約数和(自身を除く): 97399440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 307, 342, 360, 361, 380, 456, 570, 614, 684, 722, 760, 855, 921, 1083, 1140, 1228, 1368, 1444, 1535, 1710, 1805, 1842, 2166, 2280, 2456, 2763, 2888, 3070, 3249, 3420, 3610, 3684, 4332, 4605, 5415, 5526, 5833, 6140, 6498, 6840, 7220, 7368, 8664, 9210, 10830, 11052, 11666, 12280, 12996, 13815, 14440, 16245, 17499, 18420, 21660, 22104, 23332, 25992, 27630, 29165, 32490, 34998, 36840, 43320, 46664, 52497, 55260, 58330, 64980, 69996, 87495, 104994, 110520, 110827, 116660, 129960, 139992, 174990, 209988, 221654, 233320, 262485, 332481, 349980, 419976, 443308, 524970, 554135, 664962, 699960, 886616, 997443, 1049940, 1108270, 1329924, 1662405, 1994886, 2099880, 2216540, 2659848, 3324810, 3989772, 4433080, 4987215, 6649620, 7979544, 9974430, 13299240, 19948860, 39897720]

約数ペア:

[(1, 39897720), (2, 19948860), (3, 13299240), (4, 9974430), (5, 7979544), (6, 6649620), (8, 4987215), (9, 4433080), (10, 3989772), (12, 3324810), (15, 2659848), (18, 2216540), (19, 2099880), (20, 1994886), (24, 1662405), (30, 1329924), (36, 1108270), (38, 1049940), (40, 997443), (45, 886616), (57, 699960), (60, 664962), (72, 554135), (76, 524970), (90, 443308), (95, 419976), (114, 349980), (120, 332481), (152, 262485), (171, 233320), (180, 221654), (190, 209988), (228, 174990), (285, 139992), (307, 129960), (342, 116660), (360, 110827), (361, 110520), (380, 104994), (456, 87495), (570, 69996), (614, 64980), (684, 58330), (722, 55260), (760, 52497), (855, 46664), (921, 43320), (1083, 36840), (1140, 34998), (1228, 32490), (1368, 29165), (1444, 27630), (1535, 25992), (1710, 23332), (1805, 22104), (1842, 21660), (2166, 18420), (2280, 17499), (2456, 16245), (2763, 14440), (2888, 13815), (3070, 12996), (3249, 12280), (3420, 11666), (3610, 11052), (3684, 10830), (4332, 9210), (4605, 8664), (5415, 7368), (5526, 7220), (5833, 6840), (6140, 6498)]