813280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:68

約数の個数: 96

約数和(自身を含む): 2286144

約数和(自身を除く): 1472864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 23, 26, 32, 34, 40, 46, 52, 65, 68, 80, 85, 92, 104, 115, 130, 136, 160, 170, 184, 208, 221, 230, 260, 272, 299, 340, 368, 391, 416, 442, 460, 520, 544, 598, 680, 736, 782, 884, 920, 1040, 1105, 1196, 1360, 1495, 1564, 1768, 1840, 1955, 2080, 2210, 2392, 2720, 2990, 3128, 3536, 3680, 3910, 4420, 4784, 5083, 5980, 6256, 7072, 7820, 8840, 9568, 10166, 11960, 12512, 15640, 17680, 20332, 23920, 25415, 31280, 35360, 40664, 47840, 50830, 62560, 81328, 101660, 162656, 203320, 406640, 813280]

約数ペア:

[(1, 813280), (2, 406640), (4, 203320), (5, 162656), (8, 101660), (10, 81328), (13, 62560), (16, 50830), (17, 47840), (20, 40664), (23, 35360), (26, 31280), (32, 25415), (34, 23920), (40, 20332), (46, 17680), (52, 15640), (65, 12512), (68, 11960), (80, 10166), (85, 9568), (92, 8840), (104, 7820), (115, 7072), (130, 6256), (136, 5980), (160, 5083), (170, 4784), (184, 4420), (208, 3910), (221, 3680), (230, 3536), (260, 3128), (272, 2990), (299, 2720), (340, 2392), (368, 2210), (391, 2080), (416, 1955), (442, 1840), (460, 1768), (520, 1564), (544, 1495), (598, 1360), (680, 1196), (736, 1105), (782, 1040), (884, 920)]