128553840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2927}}^1$

素因数の和:3007

約数の個数: 120

約数和(自身を含む): 438954048

約数和(自身を除く): 310400208

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, 2927, 2928, 3660, 4392, 4880, 5490, 5854, 7320, 8781, 8784, 10980, 11708, 14635, 14640, 17562, 21960, 23416, 26343, 29270, 35124, 43905, 43920, 46832, 52686, 58540, 70248, 87810, 105372, 117080, 131715, 140496, 175620, 178547, 210744, 234160, 263430, 351240, 357094, 421488, 526860, 535641, 702480, 714188, 892735, 1053720, 1071282, 1428376, 1606923, 1785470, 2107440, 2142564, 2678205, 2856752, 3213846, 3570940, 4285128, 5356410, 6427692, 7141880, 8034615, 8570256, 10712820, 12855384, 14283760, 16069230, 21425640, 25710768, 32138460, 42851280, 64276920, 128553840]

約数ペア:

[(1, 128553840), (2, 64276920), (3, 42851280), (4, 32138460), (5, 25710768), (6, 21425640), (8, 16069230), (9, 14283760), (10, 12855384), (12, 10712820), (15, 8570256), (16, 8034615), (18, 7141880), (20, 6427692), (24, 5356410), (30, 4285128), (36, 3570940), (40, 3213846), (45, 2856752), (48, 2678205), (60, 2142564), (61, 2107440), (72, 1785470), (80, 1606923), (90, 1428376), (120, 1071282), (122, 1053720), (144, 892735), (180, 714188), (183, 702480), (240, 535641), (244, 526860), (305, 421488), (360, 357094), (366, 351240), (488, 263430), (549, 234160), (610, 210744), (720, 178547), (732, 175620), (915, 140496), (976, 131715), (1098, 117080), (1220, 105372), (1464, 87810), (1830, 70248), (2196, 58540), (2440, 52686), (2745, 46832), (2927, 43920), (2928, 43905), (3660, 35124), (4392, 29270), (4880, 26343), (5490, 23416), (5854, 21960), (7320, 17562), (8781, 14640), (8784, 14635), (10980, 11708)]