390175020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{6211}}^1$

素因数の和:6575

約数の個数: 72

約数和(自身を含む): 1187113200

約数和(自身を除く): 796938180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 349, 698, 1047, 1396, 1745, 2094, 3141, 3490, 4188, 5235, 6211, 6282, 6980, 10470, 12422, 12564, 15705, 18633, 20940, 24844, 31055, 31410, 37266, 55899, 62110, 62820, 74532, 93165, 111798, 124220, 186330, 223596, 279495, 372660, 558990, 1117980, 2167639, 4335278, 6502917, 8670556, 10838195, 13005834, 19508751, 21676390, 26011668, 32514585, 39017502, 43352780, 65029170, 78035004, 97543755, 130058340, 195087510, 390175020]

約数ペア:

[(1, 390175020), (2, 195087510), (3, 130058340), (4, 97543755), (5, 78035004), (6, 65029170), (9, 43352780), (10, 39017502), (12, 32514585), (15, 26011668), (18, 21676390), (20, 19508751), (30, 13005834), (36, 10838195), (45, 8670556), (60, 6502917), (90, 4335278), (180, 2167639), (349, 1117980), (698, 558990), (1047, 372660), (1396, 279495), (1745, 223596), (2094, 186330), (3141, 124220), (3490, 111798), (4188, 93165), (5235, 74532), (6211, 62820), (6282, 62110), (6980, 55899), (10470, 37266), (12422, 31410), (12564, 31055), (15705, 24844), (18633, 20940)]