1209955920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{122963}}^1$

素因数の和:123020

約数の個数: 80

約数和(自身を含む): 3842379072

約数和(自身を除く): 2632423152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2460, 3280, 4920, 9840, 122963, 245926, 368889, 491852, 614815, 737778, 983704, 1229630, 1475556, 1844445, 1967408, 2459260, 2951112, 3688890, 4918520, 5041483, 5902224, 7377780, 9837040, 10082966, 14755560, 15124449, 20165932, 25207415, 29511120, 30248898, 40331864, 50414830, 60497796, 75622245, 80663728, 100829660, 120995592, 151244490, 201659320, 241991184, 302488980, 403318640, 604977960, 1209955920]

約数ペア:

[(1, 1209955920), (2, 604977960), (3, 403318640), (4, 302488980), (5, 241991184), (6, 201659320), (8, 151244490), (10, 120995592), (12, 100829660), (15, 80663728), (16, 75622245), (20, 60497796), (24, 50414830), (30, 40331864), (40, 30248898), (41, 29511120), (48, 25207415), (60, 20165932), (80, 15124449), (82, 14755560), (120, 10082966), (123, 9837040), (164, 7377780), (205, 5902224), (240, 5041483), (246, 4918520), (328, 3688890), (410, 2951112), (492, 2459260), (615, 1967408), (656, 1844445), (820, 1475556), (984, 1229630), (1230, 983704), (1640, 737778), (1968, 614815), (2460, 491852), (3280, 368889), (4920, 245926), (9840, 122963)]