313460960

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{6779}}^1$

素因数の和:6828

約数の個数: 72

約数和(自身を含む): 786791880

約数和(自身を除く): 473330920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 578, 680, 1156, 1360, 1445, 2312, 2720, 2890, 4624, 5780, 6779, 9248, 11560, 13558, 23120, 27116, 33895, 46240, 54232, 67790, 108464, 115243, 135580, 216928, 230486, 271160, 460972, 542320, 576215, 921944, 1084640, 1152430, 1843888, 1959131, 2304860, 3687776, 3918262, 4609720, 7836524, 9219440, 9795655, 15673048, 18438880, 19591310, 31346096, 39182620, 62692192, 78365240, 156730480, 313460960]

約数ペア:

[(1, 313460960), (2, 156730480), (4, 78365240), (5, 62692192), (8, 39182620), (10, 31346096), (16, 19591310), (17, 18438880), (20, 15673048), (32, 9795655), (34, 9219440), (40, 7836524), (68, 4609720), (80, 3918262), (85, 3687776), (136, 2304860), (160, 1959131), (170, 1843888), (272, 1152430), (289, 1084640), (340, 921944), (544, 576215), (578, 542320), (680, 460972), (1156, 271160), (1360, 230486), (1445, 216928), (2312, 135580), (2720, 115243), (2890, 108464), (4624, 67790), (5780, 54232), (6779, 46240), (9248, 33895), (11560, 27116), (13558, 23120)]