1253240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 3175200

約数和(自身を除く): 1921960

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 97, 136, 152, 170, 190, 194, 323, 340, 380, 388, 485, 646, 680, 760, 776, 970, 1292, 1615, 1649, 1843, 1940, 2584, 3230, 3298, 3686, 3880, 6460, 6596, 7372, 8245, 9215, 12920, 13192, 14744, 16490, 18430, 31331, 32980, 36860, 62662, 65960, 73720, 125324, 156655, 250648, 313310, 626620, 1253240]

約数ペア:

[(1, 1253240), (2, 626620), (4, 313310), (5, 250648), (8, 156655), (10, 125324), (17, 73720), (19, 65960), (20, 62662), (34, 36860), (38, 32980), (40, 31331), (68, 18430), (76, 16490), (85, 14744), (95, 13192), (97, 12920), (136, 9215), (152, 8245), (170, 7372), (190, 6596), (194, 6460), (323, 3880), (340, 3686), (380, 3298), (388, 3230), (485, 2584), (646, 1940), (680, 1843), (760, 1649), (776, 1615), (970, 1292)]