649829440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5039}}^1$

素因数の和:5100

約数の個数: 112

約数和(自身を含む): 1720535040

約数和(自身を除く): 1070705600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2480, 3224, 4030, 4160, 4960, 5039, 6448, 8060, 9920, 10078, 12896, 16120, 20156, 25195, 25792, 32240, 40312, 50390, 64480, 65507, 80624, 100780, 128960, 131014, 156209, 161248, 201560, 262028, 312418, 322496, 327535, 403120, 524056, 624836, 655070, 781045, 806240, 1048112, 1249672, 1310140, 1562090, 1612480, 2030717, 2096224, 2499344, 2620280, 3124180, 4061434, 4192448, 4998688, 5240560, 6248360, 8122868, 9997376, 10153585, 10481120, 12496720, 16245736, 20307170, 20962240, 24993440, 32491472, 40614340, 49986880, 64982944, 81228680, 129965888, 162457360, 324914720, 649829440]

約数ペア:

[(1, 649829440), (2, 324914720), (4, 162457360), (5, 129965888), (8, 81228680), (10, 64982944), (13, 49986880), (16, 40614340), (20, 32491472), (26, 24993440), (31, 20962240), (32, 20307170), (40, 16245736), (52, 12496720), (62, 10481120), (64, 10153585), (65, 9997376), (80, 8122868), (104, 6248360), (124, 5240560), (130, 4998688), (155, 4192448), (160, 4061434), (208, 3124180), (248, 2620280), (260, 2499344), (310, 2096224), (320, 2030717), (403, 1612480), (416, 1562090), (496, 1310140), (520, 1249672), (620, 1048112), (806, 806240), (832, 781045), (992, 655070), (1040, 624836), (1240, 524056), (1612, 403120), (1984, 327535), (2015, 322496), (2080, 312418), (2480, 262028), (3224, 201560), (4030, 161248), (4160, 156209), (4960, 131014), (5039, 128960), (6448, 100780), (8060, 80624), (9920, 65507), (10078, 64480), (12896, 50390), (16120, 40312), (20156, 32240), (25195, 25792)]