891131640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{151553}}^1$

素因数の和:151581

約数の個数: 96

約数和(自身を含む): 3109888080

約数和(自身を除く): 2218756440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 151553, 303106, 454659, 606212, 757765, 909318, 1060871, 1212424, 1515530, 1818636, 2121742, 2273295, 3031060, 3182613, 3637272, 4243484, 4546590, 5304355, 6062120, 6365226, 7426097, 8486968, 9093180, 10608710, 12730452, 14852194, 15913065, 18186360, 21217420, 22278291, 25460904, 29704388, 31826130, 37130485, 42434840, 44556582, 59408776, 63652260, 74260970, 89113164, 111391455, 127304520, 148521940, 178226328, 222782910, 297043880, 445565820, 891131640]

約数ペア:

[(1, 891131640), (2, 445565820), (3, 297043880), (4, 222782910), (5, 178226328), (6, 148521940), (7, 127304520), (8, 111391455), (10, 89113164), (12, 74260970), (14, 63652260), (15, 59408776), (20, 44556582), (21, 42434840), (24, 37130485), (28, 31826130), (30, 29704388), (35, 25460904), (40, 22278291), (42, 21217420), (49, 18186360), (56, 15913065), (60, 14852194), (70, 12730452), (84, 10608710), (98, 9093180), (105, 8486968), (120, 7426097), (140, 6365226), (147, 6062120), (168, 5304355), (196, 4546590), (210, 4243484), (245, 3637272), (280, 3182613), (294, 3031060), (392, 2273295), (420, 2121742), (490, 1818636), (588, 1515530), (735, 1212424), (840, 1060871), (980, 909318), (1176, 757765), (1470, 606212), (1960, 454659), (2940, 303106), (5880, 151553)]