156957209680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{644747}}^1$

素因数の和:644956

約数の個数: 80

約数和(自身を含む): 388550934720

約数和(自身を除く): 231593725040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 179, 272, 340, 358, 680, 716, 895, 1360, 1432, 1790, 2864, 3043, 3580, 6086, 7160, 12172, 14320, 15215, 24344, 30430, 48688, 60860, 121720, 243440, 644747, 1289494, 2578988, 3223735, 5157976, 6447470, 10315952, 10960699, 12894940, 21921398, 25789880, 43842796, 51579760, 54803495, 87685592, 109606990, 115409713, 175371184, 219213980, 230819426, 438427960, 461638852, 577048565, 876855920, 923277704, 1154097130, 1846555408, 1961965121, 2308194260, 3923930242, 4616388520, 7847860484, 9232777040, 9809825605, 15695720968, 19619651210, 31391441936, 39239302420, 78478604840, 156957209680]

約数ペア:

[(1, 156957209680), (2, 78478604840), (4, 39239302420), (5, 31391441936), (8, 19619651210), (10, 15695720968), (16, 9809825605), (17, 9232777040), (20, 7847860484), (34, 4616388520), (40, 3923930242), (68, 2308194260), (80, 1961965121), (85, 1846555408), (136, 1154097130), (170, 923277704), (179, 876855920), (272, 577048565), (340, 461638852), (358, 438427960), (680, 230819426), (716, 219213980), (895, 175371184), (1360, 115409713), (1432, 109606990), (1790, 87685592), (2864, 54803495), (3043, 51579760), (3580, 43842796), (6086, 25789880), (7160, 21921398), (12172, 12894940), (14320, 10960699), (15215, 10315952), (24344, 6447470), (30430, 5157976), (48688, 3223735), (60860, 2578988), (121720, 1289494), (243440, 644747)]