40194840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:569

約数の個数: 128

約数和(自身を含む): 139392000

約数和(自身を除く): 99197160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 109, 120, 140, 168, 210, 218, 280, 327, 420, 436, 439, 545, 654, 763, 840, 872, 878, 1090, 1308, 1317, 1526, 1635, 1756, 2180, 2195, 2289, 2616, 2634, 3052, 3073, 3270, 3512, 3815, 4360, 4390, 4578, 5268, 6104, 6146, 6540, 6585, 7630, 8780, 9156, 9219, 10536, 11445, 12292, 13080, 13170, 15260, 15365, 17560, 18312, 18438, 22890, 24584, 26340, 30520, 30730, 36876, 45780, 46095, 47851, 52680, 61460, 73752, 91560, 92190, 95702, 122920, 143553, 184380, 191404, 239255, 287106, 334957, 368760, 382808, 478510, 574212, 669914, 717765, 957020, 1004871, 1148424, 1339828, 1435530, 1674785, 1914040, 2009742, 2679656, 2871060, 3349570, 4019484, 5024355, 5742120, 6699140, 8038968, 10048710, 13398280, 20097420, 40194840]

約数ペア:

[(1, 40194840), (2, 20097420), (3, 13398280), (4, 10048710), (5, 8038968), (6, 6699140), (7, 5742120), (8, 5024355), (10, 4019484), (12, 3349570), (14, 2871060), (15, 2679656), (20, 2009742), (21, 1914040), (24, 1674785), (28, 1435530), (30, 1339828), (35, 1148424), (40, 1004871), (42, 957020), (56, 717765), (60, 669914), (70, 574212), (84, 478510), (105, 382808), (109, 368760), (120, 334957), (140, 287106), (168, 239255), (210, 191404), (218, 184380), (280, 143553), (327, 122920), (420, 95702), (436, 92190), (439, 91560), (545, 73752), (654, 61460), (763, 52680), (840, 47851), (872, 46095), (878, 45780), (1090, 36876), (1308, 30730), (1317, 30520), (1526, 26340), (1635, 24584), (1756, 22890), (2180, 18438), (2195, 18312), (2289, 17560), (2616, 15365), (2634, 15260), (3052, 13170), (3073, 13080), (3270, 12292), (3512, 11445), (3815, 10536), (4360, 9219), (4390, 9156), (4578, 8780), (5268, 7630), (6104, 6585), (6146, 6540)]