72640980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1163}}^1$

素因数の和:1525

約数の個数: 72

約数和(自身を含む): 221169312

約数和(自身を除く): 148528332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 347, 694, 1041, 1163, 1388, 1735, 2082, 2326, 3123, 3470, 3489, 4164, 4652, 5205, 5815, 6246, 6940, 6978, 10410, 10467, 11630, 12492, 13956, 15615, 17445, 20820, 20934, 23260, 31230, 34890, 41868, 52335, 62460, 69780, 104670, 209340, 403561, 807122, 1210683, 1614244, 2017805, 2421366, 3632049, 4035610, 4842732, 6053415, 7264098, 8071220, 12106830, 14528196, 18160245, 24213660, 36320490, 72640980]

約数ペア:

[(1, 72640980), (2, 36320490), (3, 24213660), (4, 18160245), (5, 14528196), (6, 12106830), (9, 8071220), (10, 7264098), (12, 6053415), (15, 4842732), (18, 4035610), (20, 3632049), (30, 2421366), (36, 2017805), (45, 1614244), (60, 1210683), (90, 807122), (180, 403561), (347, 209340), (694, 104670), (1041, 69780), (1163, 62460), (1388, 52335), (1735, 41868), (2082, 34890), (2326, 31230), (3123, 23260), (3470, 20934), (3489, 20820), (4164, 17445), (4652, 15615), (5205, 13956), (5815, 12492), (6246, 11630), (6940, 10467), (6978, 10410)]