221661960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{941}}^1$

素因数の和:1119

約数の個数: 128

約数和(自身を含む): 721647360

約数和(自身を除く): 499985400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 151, 156, 195, 260, 302, 312, 390, 453, 520, 604, 755, 780, 906, 941, 1208, 1510, 1560, 1812, 1882, 1963, 2265, 2823, 3020, 3624, 3764, 3926, 4530, 4705, 5646, 5889, 6040, 7528, 7852, 9060, 9410, 9815, 11292, 11778, 12233, 14115, 15704, 18120, 18820, 19630, 22584, 23556, 24466, 28230, 29445, 36699, 37640, 39260, 47112, 48932, 56460, 58890, 61165, 73398, 78520, 97864, 112920, 117780, 122330, 142091, 146796, 183495, 235560, 244660, 284182, 293592, 366990, 426273, 489320, 568364, 710455, 733980, 852546, 1136728, 1420910, 1467960, 1705092, 1847183, 2131365, 2841820, 3410184, 3694366, 4262730, 5541549, 5683640, 7388732, 8525460, 9235915, 11083098, 14777464, 17050920, 18471830, 22166196, 27707745, 36943660, 44332392, 55415490, 73887320, 110830980, 221661960]

約数ペア:

[(1, 221661960), (2, 110830980), (3, 73887320), (4, 55415490), (5, 44332392), (6, 36943660), (8, 27707745), (10, 22166196), (12, 18471830), (13, 17050920), (15, 14777464), (20, 11083098), (24, 9235915), (26, 8525460), (30, 7388732), (39, 5683640), (40, 5541549), (52, 4262730), (60, 3694366), (65, 3410184), (78, 2841820), (104, 2131365), (120, 1847183), (130, 1705092), (151, 1467960), (156, 1420910), (195, 1136728), (260, 852546), (302, 733980), (312, 710455), (390, 568364), (453, 489320), (520, 426273), (604, 366990), (755, 293592), (780, 284182), (906, 244660), (941, 235560), (1208, 183495), (1510, 146796), (1560, 142091), (1812, 122330), (1882, 117780), (1963, 112920), (2265, 97864), (2823, 78520), (3020, 73398), (3624, 61165), (3764, 58890), (3926, 56460), (4530, 48932), (4705, 47112), (5646, 39260), (5889, 37640), (6040, 36699), (7528, 29445), (7852, 28230), (9060, 24466), (9410, 23556), (9815, 22584), (11292, 19630), (11778, 18820), (12233, 18120), (14115, 15704)]