156878720

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14419}}^1$

素因数の和:14455

約数の個数: 64

約数和(自身を含む): 397126800

約数和(自身を除く): 240248080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 14419, 28838, 57676, 72095, 115352, 144190, 230704, 245123, 288380, 461408, 490246, 576760, 922816, 980492, 1153520, 1225615, 1845632, 1960984, 2307040, 2451230, 3921968, 4614080, 4902460, 7843936, 9228160, 9804920, 15687872, 19609840, 31375744, 39219680, 78439360, 156878720]

約数ペア:

[(1, 156878720), (2, 78439360), (4, 39219680), (5, 31375744), (8, 19609840), (10, 15687872), (16, 9804920), (17, 9228160), (20, 7843936), (32, 4902460), (34, 4614080), (40, 3921968), (64, 2451230), (68, 2307040), (80, 1960984), (85, 1845632), (128, 1225615), (136, 1153520), (160, 980492), (170, 922816), (272, 576760), (320, 490246), (340, 461408), (544, 288380), (640, 245123), (680, 230704), (1088, 144190), (1360, 115352), (2176, 72095), (2720, 57676), (5440, 28838), (10880, 14419)]