15608720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:552

約数の個数: 80

約数和(自身を含む): 40176000

約数和(自身を除く): 24567280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 391, 460, 499, 680, 782, 920, 998, 1360, 1564, 1840, 1955, 1996, 2495, 3128, 3910, 3992, 4990, 6256, 7820, 7984, 8483, 9980, 11477, 15640, 16966, 19960, 22954, 31280, 33932, 39920, 42415, 45908, 57385, 67864, 84830, 91816, 114770, 135728, 169660, 183632, 195109, 229540, 339320, 390218, 459080, 678640, 780436, 918160, 975545, 1560872, 1951090, 3121744, 3902180, 7804360, 15608720]

約数ペア:

[(1, 15608720), (2, 7804360), (4, 3902180), (5, 3121744), (8, 1951090), (10, 1560872), (16, 975545), (17, 918160), (20, 780436), (23, 678640), (34, 459080), (40, 390218), (46, 339320), (68, 229540), (80, 195109), (85, 183632), (92, 169660), (115, 135728), (136, 114770), (170, 91816), (184, 84830), (230, 67864), (272, 57385), (340, 45908), (368, 42415), (391, 39920), (460, 33932), (499, 31280), (680, 22954), (782, 19960), (920, 16966), (998, 15640), (1360, 11477), (1564, 9980), (1840, 8483), (1955, 7984), (1996, 7820), (2495, 6256), (3128, 4990), (3910, 3992)]