320882240

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4621}}^1$

素因数の和:4676

約数の個数: 112

約数和(自身を含む): 901622784

約数和(自身を除く): 580740544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 4340, 4621, 4960, 6944, 8680, 9242, 9920, 13888, 17360, 18484, 23105, 32347, 34720, 36968, 46210, 64694, 69440, 73936, 92420, 129388, 143251, 147872, 161735, 184840, 258776, 286502, 295744, 323470, 369680, 517552, 573004, 646940, 716255, 739360, 1002757, 1035104, 1146008, 1293880, 1432510, 1478720, 2005514, 2070208, 2292016, 2587760, 2865020, 4011028, 4584032, 5013785, 5175520, 5730040, 8022056, 9168064, 10027570, 10351040, 11460080, 16044112, 20055140, 22920160, 32088224, 40110280, 45840320, 64176448, 80220560, 160441120, 320882240]

約数ペア:

[(1, 320882240), (2, 160441120), (4, 80220560), (5, 64176448), (7, 45840320), (8, 40110280), (10, 32088224), (14, 22920160), (16, 20055140), (20, 16044112), (28, 11460080), (31, 10351040), (32, 10027570), (35, 9168064), (40, 8022056), (56, 5730040), (62, 5175520), (64, 5013785), (70, 4584032), (80, 4011028), (112, 2865020), (124, 2587760), (140, 2292016), (155, 2070208), (160, 2005514), (217, 1478720), (224, 1432510), (248, 1293880), (280, 1146008), (310, 1035104), (320, 1002757), (434, 739360), (448, 716255), (496, 646940), (560, 573004), (620, 517552), (868, 369680), (992, 323470), (1085, 295744), (1120, 286502), (1240, 258776), (1736, 184840), (1984, 161735), (2170, 147872), (2240, 143251), (2480, 129388), (3472, 92420), (4340, 73936), (4621, 69440), (4960, 64694), (6944, 46210), (8680, 36968), (9242, 34720), (9920, 32347), (13888, 23105), (17360, 18484)]