15539680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:300

約数の個数: 96

約数和(自身を含む): 40981248

約数和(自身を除く): 25441568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 241, 248, 260, 310, 403, 416, 482, 496, 520, 620, 806, 964, 992, 1040, 1205, 1240, 1612, 1928, 2015, 2080, 2410, 2480, 3133, 3224, 3856, 4030, 4820, 4960, 6266, 6448, 7471, 7712, 8060, 9640, 12532, 12896, 14942, 15665, 16120, 19280, 25064, 29884, 31330, 32240, 37355, 38560, 50128, 59768, 62660, 64480, 74710, 97123, 100256, 119536, 125320, 149420, 194246, 239072, 250640, 298840, 388492, 485615, 501280, 597680, 776984, 971230, 1195360, 1553968, 1942460, 3107936, 3884920, 7769840, 15539680]

約数ペア:

[(1, 15539680), (2, 7769840), (4, 3884920), (5, 3107936), (8, 1942460), (10, 1553968), (13, 1195360), (16, 971230), (20, 776984), (26, 597680), (31, 501280), (32, 485615), (40, 388492), (52, 298840), (62, 250640), (65, 239072), (80, 194246), (104, 149420), (124, 125320), (130, 119536), (155, 100256), (160, 97123), (208, 74710), (241, 64480), (248, 62660), (260, 59768), (310, 50128), (403, 38560), (416, 37355), (482, 32240), (496, 31330), (520, 29884), (620, 25064), (806, 19280), (964, 16120), (992, 15665), (1040, 14942), (1205, 12896), (1240, 12532), (1612, 9640), (1928, 8060), (2015, 7712), (2080, 7471), (2410, 6448), (2480, 6266), (3133, 4960), (3224, 4820), (3856, 4030)]