65540280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42013}}^1$

素因数の和:42040

約数の個数: 64

約数和(自身を含む): 211750560

約数和(自身を除く): 146210280

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, 156, 195, 260, 312, 390, 520, 780, 1560, 42013, 84026, 126039, 168052, 210065, 252078, 336104, 420130, 504156, 546169, 630195, 840260, 1008312, 1092338, 1260390, 1638507, 1680520, 2184676, 2520780, 2730845, 3277014, 4369352, 5041560, 5461690, 6554028, 8192535, 10923380, 13108056, 16385070, 21846760, 32770140, 65540280]

約数ペア:

[(1, 65540280), (2, 32770140), (3, 21846760), (4, 16385070), (5, 13108056), (6, 10923380), (8, 8192535), (10, 6554028), (12, 5461690), (13, 5041560), (15, 4369352), (20, 3277014), (24, 2730845), (26, 2520780), (30, 2184676), (39, 1680520), (40, 1638507), (52, 1260390), (60, 1092338), (65, 1008312), (78, 840260), (104, 630195), (120, 546169), (130, 504156), (156, 420130), (195, 336104), (260, 252078), (312, 210065), (390, 168052), (520, 126039), (780, 84026), (1560, 42013)]