221307960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{39239}}^1$

素因数の和:39300

約数の個数: 64

約数和(自身を含む): 678067200

約数和(自身を除く): 456759240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 5640, 39239, 78478, 117717, 156956, 196195, 235434, 313912, 392390, 470868, 588585, 784780, 941736, 1177170, 1569560, 1844233, 2354340, 3688466, 4708680, 5532699, 7376932, 9221165, 11065398, 14753864, 18442330, 22130796, 27663495, 36884660, 44261592, 55326990, 73769320, 110653980, 221307960]

約数ペア:

[(1, 221307960), (2, 110653980), (3, 73769320), (4, 55326990), (5, 44261592), (6, 36884660), (8, 27663495), (10, 22130796), (12, 18442330), (15, 14753864), (20, 11065398), (24, 9221165), (30, 7376932), (40, 5532699), (47, 4708680), (60, 3688466), (94, 2354340), (120, 1844233), (141, 1569560), (188, 1177170), (235, 941736), (282, 784780), (376, 588585), (470, 470868), (564, 392390), (705, 313912), (940, 235434), (1128, 196195), (1410, 156956), (1880, 117717), (2820, 78478), (5640, 39239)]