1640928720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{6837203}}^1$

素因数の和:6837219

約数の個数: 40

約数和(自身を含む): 5086879776

約数和(自身を除く): 3445951056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 6837203, 13674406, 20511609, 27348812, 34186015, 41023218, 54697624, 68372030, 82046436, 102558045, 109395248, 136744060, 164092872, 205116090, 273488120, 328185744, 410232180, 546976240, 820464360, 1640928720]

約数ペア:

[(1, 1640928720), (2, 820464360), (3, 546976240), (4, 410232180), (5, 328185744), (6, 273488120), (8, 205116090), (10, 164092872), (12, 136744060), (15, 109395248), (16, 102558045), (20, 82046436), (24, 68372030), (30, 54697624), (40, 41023218), (48, 34186015), (60, 27348812), (80, 20511609), (120, 13674406), (240, 6837203)]