215811960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19763}}^1$

素因数の和:19797

約数の個数: 128

約数和(自身を含む): 796884480

約数和(自身を除く): 581072520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 19763, 39526, 59289, 79052, 98815, 118578, 138341, 158104, 197630, 237156, 256919, 276682, 296445, 395260, 415023, 474312, 513838, 553364, 592890, 691705, 770757, 790520, 830046, 1027676, 1106728, 1185780, 1284595, 1383410, 1541514, 1660092, 1798433, 2055352, 2075115, 2371560, 2569190, 2766820, 3083028, 3320184, 3596866, 3853785, 4150230, 5138380, 5395299, 5533640, 6166056, 7193732, 7707570, 8300460, 8992165, 10276760, 10790598, 14387464, 15415140, 16600920, 17984330, 21581196, 26976495, 30830280, 35968660, 43162392, 53952990, 71937320, 107905980, 215811960]

約数ペア:

[(1, 215811960), (2, 107905980), (3, 71937320), (4, 53952990), (5, 43162392), (6, 35968660), (7, 30830280), (8, 26976495), (10, 21581196), (12, 17984330), (13, 16600920), (14, 15415140), (15, 14387464), (20, 10790598), (21, 10276760), (24, 8992165), (26, 8300460), (28, 7707570), (30, 7193732), (35, 6166056), (39, 5533640), (40, 5395299), (42, 5138380), (52, 4150230), (56, 3853785), (60, 3596866), (65, 3320184), (70, 3083028), (78, 2766820), (84, 2569190), (91, 2371560), (104, 2075115), (105, 2055352), (120, 1798433), (130, 1660092), (140, 1541514), (156, 1383410), (168, 1284595), (182, 1185780), (195, 1106728), (210, 1027676), (260, 830046), (273, 790520), (280, 770757), (312, 691705), (364, 592890), (390, 553364), (420, 513838), (455, 474312), (520, 415023), (546, 395260), (728, 296445), (780, 276682), (840, 256919), (910, 237156), (1092, 197630), (1365, 158104), (1560, 138341), (1820, 118578), (2184, 98815), (2730, 79052), (3640, 59289), (5460, 39526), (10920, 19763)]