30931840

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2843}}^1$

素因数の和:2879

約数の個数: 64

約数和(自身を含む): 78323760

約数和(自身を除く): 47391920

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, 2843, 5440, 5686, 10880, 11372, 14215, 22744, 28430, 45488, 48331, 56860, 90976, 96662, 113720, 181952, 193324, 227440, 241655, 363904, 386648, 454880, 483310, 773296, 909760, 966620, 1546592, 1819520, 1933240, 3093184, 3866480, 6186368, 7732960, 15465920, 30931840]

約数ペア:

[(1, 30931840), (2, 15465920), (4, 7732960), (5, 6186368), (8, 3866480), (10, 3093184), (16, 1933240), (17, 1819520), (20, 1546592), (32, 966620), (34, 909760), (40, 773296), (64, 483310), (68, 454880), (80, 386648), (85, 363904), (128, 241655), (136, 227440), (160, 193324), (170, 181952), (272, 113720), (320, 96662), (340, 90976), (544, 56860), (640, 48331), (680, 45488), (1088, 28430), (1360, 22744), (2176, 14215), (2720, 11372), (2843, 10880), (5440, 5686)]