121872780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21841}}^1$

素因数の和:21887

約数の個数: 72

約数和(自身を含む): 381623424

約数和(自身を除く): 259750644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 21841, 43682, 65523, 87364, 109205, 131046, 196569, 218410, 262092, 327615, 393138, 436820, 655230, 677071, 786276, 982845, 1310460, 1354142, 1965690, 2031213, 2708284, 3385355, 3931380, 4062426, 6093639, 6770710, 8124852, 10156065, 12187278, 13541420, 20312130, 24374556, 30468195, 40624260, 60936390, 121872780]

約数ペア:

[(1, 121872780), (2, 60936390), (3, 40624260), (4, 30468195), (5, 24374556), (6, 20312130), (9, 13541420), (10, 12187278), (12, 10156065), (15, 8124852), (18, 6770710), (20, 6093639), (30, 4062426), (31, 3931380), (36, 3385355), (45, 2708284), (60, 2031213), (62, 1965690), (90, 1354142), (93, 1310460), (124, 982845), (155, 786276), (180, 677071), (186, 655230), (279, 436820), (310, 393138), (372, 327615), (465, 262092), (558, 218410), (620, 196569), (930, 131046), (1116, 109205), (1395, 87364), (1860, 65523), (2790, 43682), (5580, 21841)]