778415280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{3243397}}^1$

素因数の和:3243413

約数の個数: 40

約数和(自身を含む): 2413088112

約数和(自身を除く): 1634672832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 3243397, 6486794, 9730191, 12973588, 16216985, 19460382, 25947176, 32433970, 38920764, 48650955, 51894352, 64867940, 77841528, 97301910, 129735880, 155683056, 194603820, 259471760, 389207640, 778415280]

約数ペア:

[(1, 778415280), (2, 389207640), (3, 259471760), (4, 194603820), (5, 155683056), (6, 129735880), (8, 97301910), (10, 77841528), (12, 64867940), (15, 51894352), (16, 48650955), (20, 38920764), (24, 32433970), (30, 25947176), (40, 19460382), (48, 16216985), (60, 12973588), (80, 9730191), (120, 6486794), (240, 3243397)]