78896240

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1097}}^1$

素因数の和:1170

約数の個数: 80

約数和(自身を含む): 196058880

約数和(自身を除く): 117162640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 232, 248, 290, 310, 464, 496, 580, 620, 899, 1097, 1160, 1240, 1798, 2194, 2320, 2480, 3596, 4388, 4495, 5485, 7192, 8776, 8990, 10970, 14384, 17552, 17980, 21940, 31813, 34007, 35960, 43880, 63626, 68014, 71920, 87760, 127252, 136028, 159065, 170035, 254504, 272056, 318130, 340070, 509008, 544112, 636260, 680140, 986203, 1272520, 1360280, 1972406, 2545040, 2720560, 3944812, 4931015, 7889624, 9862030, 15779248, 19724060, 39448120, 78896240]

約数ペア:

[(1, 78896240), (2, 39448120), (4, 19724060), (5, 15779248), (8, 9862030), (10, 7889624), (16, 4931015), (20, 3944812), (29, 2720560), (31, 2545040), (40, 1972406), (58, 1360280), (62, 1272520), (80, 986203), (116, 680140), (124, 636260), (145, 544112), (155, 509008), (232, 340070), (248, 318130), (290, 272056), (310, 254504), (464, 170035), (496, 159065), (580, 136028), (620, 127252), (899, 87760), (1097, 71920), (1160, 68014), (1240, 63626), (1798, 43880), (2194, 35960), (2320, 34007), (2480, 31813), (3596, 21940), (4388, 17980), (4495, 17552), (5485, 14384), (7192, 10970), (8776, 8990)]