215511120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27211}}^1$

素因数の和:27241

約数の個数: 120

約数和(自身を含む): 789583392

約数和(自身を除く): 574072272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 27211, 54422, 81633, 108844, 136055, 163266, 217688, 244899, 272110, 299321, 326532, 408165, 435376, 489798, 544220, 598642, 653064, 816330, 897963, 979596, 1088440, 1197284, 1224495, 1306128, 1496605, 1632660, 1795926, 1959192, 2176880, 2394568, 2448990, 2693889, 2993210, 3265320, 3591852, 3918384, 4489815, 4789136, 4897980, 5387778, 5986420, 6530640, 7183704, 8979630, 9795960, 10775556, 11972840, 13469445, 14367408, 17959260, 19591920, 21551112, 23945680, 26938890, 35918520, 43102224, 53877780, 71837040, 107755560, 215511120]

約数ペア:

[(1, 215511120), (2, 107755560), (3, 71837040), (4, 53877780), (5, 43102224), (6, 35918520), (8, 26938890), (9, 23945680), (10, 21551112), (11, 19591920), (12, 17959260), (15, 14367408), (16, 13469445), (18, 11972840), (20, 10775556), (22, 9795960), (24, 8979630), (30, 7183704), (33, 6530640), (36, 5986420), (40, 5387778), (44, 4897980), (45, 4789136), (48, 4489815), (55, 3918384), (60, 3591852), (66, 3265320), (72, 2993210), (80, 2693889), (88, 2448990), (90, 2394568), (99, 2176880), (110, 1959192), (120, 1795926), (132, 1632660), (144, 1496605), (165, 1306128), (176, 1224495), (180, 1197284), (198, 1088440), (220, 979596), (240, 897963), (264, 816330), (330, 653064), (360, 598642), (396, 544220), (440, 489798), (495, 435376), (528, 408165), (660, 326532), (720, 299321), (792, 272110), (880, 244899), (990, 217688), (1320, 163266), (1584, 136055), (1980, 108844), (2640, 81633), (3960, 54422), (7920, 27211)]