29987880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:483

約数の個数: 128

約数和(自身を含む): 99187200

約数和(自身を除く): 69199320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 47, 52, 60, 65, 78, 94, 104, 120, 130, 141, 156, 188, 195, 235, 260, 282, 312, 376, 390, 409, 470, 520, 564, 611, 705, 780, 818, 940, 1128, 1222, 1227, 1410, 1560, 1636, 1833, 1880, 2045, 2444, 2454, 2820, 3055, 3272, 3666, 4090, 4888, 4908, 5317, 5640, 6110, 6135, 7332, 8180, 9165, 9816, 10634, 12220, 12270, 14664, 15951, 16360, 18330, 19223, 21268, 24440, 24540, 26585, 31902, 36660, 38446, 42536, 49080, 53170, 57669, 63804, 73320, 76892, 79755, 96115, 106340, 115338, 127608, 153784, 159510, 192230, 212680, 230676, 249899, 288345, 319020, 384460, 461352, 499798, 576690, 638040, 749697, 768920, 999596, 1153380, 1249495, 1499394, 1999192, 2306760, 2498990, 2998788, 3748485, 4997980, 5997576, 7496970, 9995960, 14993940, 29987880]

約数ペア:

[(1, 29987880), (2, 14993940), (3, 9995960), (4, 7496970), (5, 5997576), (6, 4997980), (8, 3748485), (10, 2998788), (12, 2498990), (13, 2306760), (15, 1999192), (20, 1499394), (24, 1249495), (26, 1153380), (30, 999596), (39, 768920), (40, 749697), (47, 638040), (52, 576690), (60, 499798), (65, 461352), (78, 384460), (94, 319020), (104, 288345), (120, 249899), (130, 230676), (141, 212680), (156, 192230), (188, 159510), (195, 153784), (235, 127608), (260, 115338), (282, 106340), (312, 96115), (376, 79755), (390, 76892), (409, 73320), (470, 63804), (520, 57669), (564, 53170), (611, 49080), (705, 42536), (780, 38446), (818, 36660), (940, 31902), (1128, 26585), (1222, 24540), (1227, 24440), (1410, 21268), (1560, 19223), (1636, 18330), (1833, 16360), (1880, 15951), (2045, 14664), (2444, 12270), (2454, 12220), (2820, 10634), (3055, 9816), (3272, 9165), (3666, 8180), (4090, 7332), (4888, 6135), (4908, 6110), (5317, 5640)]