856747440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{19507}}^1$

素因数の和:19587

約数の個数: 120

約数和(自身を含む): 2924561328

約数和(自身を除く): 2067813888

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 2928, 3660, 4392, 4880, 5490, 7320, 8784, 10980, 14640, 19507, 21960, 39014, 43920, 58521, 78028, 97535, 117042, 156056, 175563, 195070, 234084, 292605, 312112, 351126, 390140, 468168, 585210, 702252, 780280, 877815, 936336, 1170420, 1189927, 1404504, 1560560, 1755630, 2340840, 2379854, 2809008, 3511260, 3569781, 4681680, 4759708, 5949635, 7022520, 7139562, 9519416, 10709343, 11899270, 14045040, 14279124, 17848905, 19038832, 21418686, 23798540, 28558248, 35697810, 42837372, 47597080, 53546715, 57116496, 71395620, 85674744, 95194160, 107093430, 142791240, 171349488, 214186860, 285582480, 428373720, 856747440]

約数ペア:

[(1, 856747440), (2, 428373720), (3, 285582480), (4, 214186860), (5, 171349488), (6, 142791240), (8, 107093430), (9, 95194160), (10, 85674744), (12, 71395620), (15, 57116496), (16, 53546715), (18, 47597080), (20, 42837372), (24, 35697810), (30, 28558248), (36, 23798540), (40, 21418686), (45, 19038832), (48, 17848905), (60, 14279124), (61, 14045040), (72, 11899270), (80, 10709343), (90, 9519416), (120, 7139562), (122, 7022520), (144, 5949635), (180, 4759708), (183, 4681680), (240, 3569781), (244, 3511260), (305, 2809008), (360, 2379854), (366, 2340840), (488, 1755630), (549, 1560560), (610, 1404504), (720, 1189927), (732, 1170420), (915, 936336), (976, 877815), (1098, 780280), (1220, 702252), (1464, 585210), (1830, 468168), (2196, 390140), (2440, 351126), (2745, 312112), (2928, 292605), (3660, 234084), (4392, 195070), (4880, 175563), (5490, 156056), (7320, 117042), (8784, 97535), (10980, 78028), (14640, 58521), (19507, 43920), (21960, 39014)]