68542240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1063}}^1$

素因数の和:1122

約数の個数: 96

約数和(自身を含む): 180182016

約数和(自身を除く): 111639776

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, 248, 260, 310, 403, 416, 496, 520, 620, 806, 992, 1040, 1063, 1240, 1612, 2015, 2080, 2126, 2480, 3224, 4030, 4252, 4960, 5315, 6448, 8060, 8504, 10630, 12896, 13819, 16120, 17008, 21260, 27638, 32240, 32953, 34016, 42520, 55276, 64480, 65906, 69095, 85040, 110552, 131812, 138190, 164765, 170080, 221104, 263624, 276380, 329530, 428389, 442208, 527248, 552760, 659060, 856778, 1054496, 1105520, 1318120, 1713556, 2141945, 2211040, 2636240, 3427112, 4283890, 5272480, 6854224, 8567780, 13708448, 17135560, 34271120, 68542240]

約数ペア:

[(1, 68542240), (2, 34271120), (4, 17135560), (5, 13708448), (8, 8567780), (10, 6854224), (13, 5272480), (16, 4283890), (20, 3427112), (26, 2636240), (31, 2211040), (32, 2141945), (40, 1713556), (52, 1318120), (62, 1105520), (65, 1054496), (80, 856778), (104, 659060), (124, 552760), (130, 527248), (155, 442208), (160, 428389), (208, 329530), (248, 276380), (260, 263624), (310, 221104), (403, 170080), (416, 164765), (496, 138190), (520, 131812), (620, 110552), (806, 85040), (992, 69095), (1040, 65906), (1063, 64480), (1240, 55276), (1612, 42520), (2015, 34016), (2080, 32953), (2126, 32240), (2480, 27638), (3224, 21260), (4030, 17008), (4252, 16120), (4960, 13819), (5315, 12896), (6448, 10630), (8060, 8504)]