78975960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{631}}^1$

素因数の和:801

約数の個数: 128

約数和(自身を含む): 273024000

約数和(自身を除く): 194048040

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, 120, 140, 149, 168, 210, 280, 298, 420, 447, 596, 631, 745, 840, 894, 1043, 1192, 1262, 1490, 1788, 1893, 2086, 2235, 2524, 2980, 3129, 3155, 3576, 3786, 4172, 4417, 4470, 5048, 5215, 5960, 6258, 6310, 7572, 8344, 8834, 8940, 9465, 10430, 12516, 12620, 13251, 15144, 15645, 17668, 17880, 18930, 20860, 22085, 25032, 25240, 26502, 31290, 35336, 37860, 41720, 44170, 53004, 62580, 66255, 75720, 88340, 94019, 106008, 125160, 132510, 176680, 188038, 265020, 282057, 376076, 470095, 530040, 564114, 658133, 752152, 940190, 1128228, 1316266, 1410285, 1880380, 1974399, 2256456, 2632532, 2820570, 3290665, 3760760, 3948798, 5265064, 5641140, 6581330, 7897596, 9871995, 11282280, 13162660, 15795192, 19743990, 26325320, 39487980, 78975960]

約数ペア:

[(1, 78975960), (2, 39487980), (3, 26325320), (4, 19743990), (5, 15795192), (6, 13162660), (7, 11282280), (8, 9871995), (10, 7897596), (12, 6581330), (14, 5641140), (15, 5265064), (20, 3948798), (21, 3760760), (24, 3290665), (28, 2820570), (30, 2632532), (35, 2256456), (40, 1974399), (42, 1880380), (56, 1410285), (60, 1316266), (70, 1128228), (84, 940190), (105, 752152), (120, 658133), (140, 564114), (149, 530040), (168, 470095), (210, 376076), (280, 282057), (298, 265020), (420, 188038), (447, 176680), (596, 132510), (631, 125160), (745, 106008), (840, 94019), (894, 88340), (1043, 75720), (1192, 66255), (1262, 62580), (1490, 53004), (1788, 44170), (1893, 41720), (2086, 37860), (2235, 35336), (2524, 31290), (2980, 26502), (3129, 25240), (3155, 25032), (3576, 22085), (3786, 20860), (4172, 18930), (4417, 17880), (4470, 17668), (5048, 15645), (5215, 15144), (5960, 13251), (6258, 12620), (6310, 12516), (7572, 10430), (8344, 9465), (8834, 8940)]