79624980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2557}}^1$

素因数の和:2745

約数の個数: 72

約数和(自身を含む): 243020232

約数和(自身を除く): 163395252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 865, 1038, 1557, 1730, 2076, 2557, 2595, 3114, 3460, 5114, 5190, 6228, 7671, 7785, 10228, 10380, 12785, 15342, 15570, 23013, 25570, 30684, 31140, 38355, 46026, 51140, 76710, 92052, 115065, 153420, 230130, 442361, 460260, 884722, 1327083, 1769444, 2211805, 2654166, 3981249, 4423610, 5308332, 6635415, 7962498, 8847220, 13270830, 15924996, 19906245, 26541660, 39812490, 79624980]

約数ペア:

[(1, 79624980), (2, 39812490), (3, 26541660), (4, 19906245), (5, 15924996), (6, 13270830), (9, 8847220), (10, 7962498), (12, 6635415), (15, 5308332), (18, 4423610), (20, 3981249), (30, 2654166), (36, 2211805), (45, 1769444), (60, 1327083), (90, 884722), (173, 460260), (180, 442361), (346, 230130), (519, 153420), (692, 115065), (865, 92052), (1038, 76710), (1557, 51140), (1730, 46026), (2076, 38355), (2557, 31140), (2595, 30684), (3114, 25570), (3460, 23013), (5114, 15570), (5190, 15342), (6228, 12785), (7671, 10380), (7785, 10228)]