21315600

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:246

約数の個数: 180

約数和(自身を含む): 76756992

約数和(自身を除く): 55441392

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 31, 36, 40, 45, 48, 50, 60, 62, 72, 75, 80, 90, 93, 100, 120, 124, 144, 150, 155, 180, 186, 191, 200, 225, 240, 248, 279, 300, 310, 360, 372, 382, 400, 450, 465, 496, 558, 573, 600, 620, 720, 744, 764, 775, 900, 930, 955, 1116, 1146, 1200, 1240, 1395, 1488, 1528, 1550, 1719, 1800, 1860, 1910, 2232, 2292, 2325, 2480, 2790, 2865, 3056, 3100, 3438, 3600, 3720, 3820, 4464, 4584, 4650, 4775, 5580, 5730, 5921, 6200, 6876, 6975, 7440, 7640, 8595, 9168, 9300, 9550, 11160, 11460, 11842, 12400, 13752, 13950, 14325, 15280, 17190, 17763, 18600, 19100, 22320, 22920, 23684, 27504, 27900, 28650, 29605, 34380, 35526, 37200, 38200, 42975, 45840, 47368, 53289, 55800, 57300, 59210, 68760, 71052, 76400, 85950, 88815, 94736, 106578, 111600, 114600, 118420, 137520, 142104, 148025, 171900, 177630, 213156, 229200, 236840, 266445, 284208, 296050, 343800, 355260, 426312, 444075, 473680, 532890, 592100, 687600, 710520, 852624, 888150, 1065780, 1184200, 1332225, 1421040, 1776300, 2131560, 2368400, 2664450, 3552600, 4263120, 5328900, 7105200, 10657800, 21315600]

約数ペア:

[(1, 21315600), (2, 10657800), (3, 7105200), (4, 5328900), (5, 4263120), (6, 3552600), (8, 2664450), (9, 2368400), (10, 2131560), (12, 1776300), (15, 1421040), (16, 1332225), (18, 1184200), (20, 1065780), (24, 888150), (25, 852624), (30, 710520), (31, 687600), (36, 592100), (40, 532890), (45, 473680), (48, 444075), (50, 426312), (60, 355260), (62, 343800), (72, 296050), (75, 284208), (80, 266445), (90, 236840), (93, 229200), (100, 213156), (120, 177630), (124, 171900), (144, 148025), (150, 142104), (155, 137520), (180, 118420), (186, 114600), (191, 111600), (200, 106578), (225, 94736), (240, 88815), (248, 85950), (279, 76400), (300, 71052), (310, 68760), (360, 59210), (372, 57300), (382, 55800), (400, 53289), (450, 47368), (465, 45840), (496, 42975), (558, 38200), (573, 37200), (600, 35526), (620, 34380), (720, 29605), (744, 28650), (764, 27900), (775, 27504), (900, 23684), (930, 22920), (955, 22320), (1116, 19100), (1146, 18600), (1200, 17763), (1240, 17190), (1395, 15280), (1488, 14325), (1528, 13950), (1550, 13752), (1719, 12400), (1800, 11842), (1860, 11460), (1910, 11160), (2232, 9550), (2292, 9300), (2325, 9168), (2480, 8595), (2790, 7640), (2865, 7440), (3056, 6975), (3100, 6876), (3438, 6200), (3600, 5921), (3720, 5730), (3820, 5580), (4464, 4775), (4584, 4650)]