1212460040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1657}}^1\times {\mathrm{1663}}^1$

素因数の和:3342

約数の個数: 64

約数和(自身を含む): 2979624960

約数和(自身を除く): 1767164920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1657, 1663, 3314, 3326, 6628, 6652, 8285, 8315, 13256, 13304, 16570, 16630, 18227, 18293, 33140, 33260, 36454, 36586, 66280, 66520, 72908, 73172, 91135, 91465, 145816, 146344, 182270, 182930, 364540, 365860, 729080, 731720, 2755591, 5511182, 11022364, 13777955, 22044728, 27555910, 30311501, 55111820, 60623002, 110223640, 121246004, 151557505, 242492008, 303115010, 606230020, 1212460040]

約数ペア:

[(1, 1212460040), (2, 606230020), (4, 303115010), (5, 242492008), (8, 151557505), (10, 121246004), (11, 110223640), (20, 60623002), (22, 55111820), (40, 30311501), (44, 27555910), (55, 22044728), (88, 13777955), (110, 11022364), (220, 5511182), (440, 2755591), (1657, 731720), (1663, 729080), (3314, 365860), (3326, 364540), (6628, 182930), (6652, 182270), (8285, 146344), (8315, 145816), (13256, 91465), (13304, 91135), (16570, 73172), (16630, 72908), (18227, 66520), (18293, 66280), (33140, 36586), (33260, 36454)]