121374451280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{110477}}^1$

素因数の和:110964

約数の個数: 80

約数和(自身を含む): 291958884864

約数和(自身を除く): 170584433584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 443, 496, 620, 886, 1240, 1772, 2215, 2480, 3544, 4430, 7088, 8860, 13733, 17720, 27466, 35440, 54932, 68665, 109864, 110477, 137330, 219728, 220954, 274660, 441908, 549320, 552385, 883816, 1098640, 1104770, 1767632, 2209540, 3424787, 4419080, 6849574, 8838160, 13699148, 17123935, 27398296, 34247870, 48941311, 54796592, 68495740, 97882622, 136991480, 195765244, 244706555, 273982960, 391530488, 489413110, 783060976, 978826220, 1517180641, 1957652440, 3034361282, 3915304880, 6068722564, 7585903205, 12137445128, 15171806410, 24274890256, 30343612820, 60687225640, 121374451280]

約数ペア:

[(1, 121374451280), (2, 60687225640), (4, 30343612820), (5, 24274890256), (8, 15171806410), (10, 12137445128), (16, 7585903205), (20, 6068722564), (31, 3915304880), (40, 3034361282), (62, 1957652440), (80, 1517180641), (124, 978826220), (155, 783060976), (248, 489413110), (310, 391530488), (443, 273982960), (496, 244706555), (620, 195765244), (886, 136991480), (1240, 97882622), (1772, 68495740), (2215, 54796592), (2480, 48941311), (3544, 34247870), (4430, 27398296), (7088, 17123935), (8860, 13699148), (13733, 8838160), (17720, 6849574), (27466, 4419080), (35440, 3424787), (54932, 2209540), (68665, 1767632), (109864, 1104770), (110477, 1098640), (137330, 883816), (219728, 552385), (220954, 549320), (274660, 441908)]