31126860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 100245600

約数和(自身を除く): 69118740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 67, 87, 89, 90, 116, 134, 145, 174, 178, 180, 201, 261, 267, 268, 290, 335, 348, 356, 402, 435, 445, 522, 534, 580, 603, 670, 801, 804, 870, 890, 1005, 1044, 1068, 1206, 1305, 1335, 1340, 1602, 1740, 1780, 1943, 2010, 2412, 2581, 2610, 2670, 3015, 3204, 3886, 4005, 4020, 5162, 5220, 5340, 5829, 5963, 6030, 7743, 7772, 8010, 9715, 10324, 11658, 11926, 12060, 12905, 15486, 16020, 17487, 17889, 19430, 23229, 23316, 23852, 25810, 29145, 29815, 30972, 34974, 35778, 38715, 38860, 46458, 51620, 53667, 58290, 59630, 69948, 71556, 77430, 87435, 89445, 92916, 107334, 116145, 116580, 119260, 154860, 172927, 174870, 178890, 214668, 232290, 268335, 345854, 349740, 357780, 464580, 518781, 536670, 691708, 864635, 1037562, 1073340, 1556343, 1729270, 2075124, 2593905, 3112686, 3458540, 5187810, 6225372, 7781715, 10375620, 15563430, 31126860]

約数ペア:

[(1, 31126860), (2, 15563430), (3, 10375620), (4, 7781715), (5, 6225372), (6, 5187810), (9, 3458540), (10, 3112686), (12, 2593905), (15, 2075124), (18, 1729270), (20, 1556343), (29, 1073340), (30, 1037562), (36, 864635), (45, 691708), (58, 536670), (60, 518781), (67, 464580), (87, 357780), (89, 349740), (90, 345854), (116, 268335), (134, 232290), (145, 214668), (174, 178890), (178, 174870), (180, 172927), (201, 154860), (261, 119260), (267, 116580), (268, 116145), (290, 107334), (335, 92916), (348, 89445), (356, 87435), (402, 77430), (435, 71556), (445, 69948), (522, 59630), (534, 58290), (580, 53667), (603, 51620), (670, 46458), (801, 38860), (804, 38715), (870, 35778), (890, 34974), (1005, 30972), (1044, 29815), (1068, 29145), (1206, 25810), (1305, 23852), (1335, 23316), (1340, 23229), (1602, 19430), (1740, 17889), (1780, 17487), (1943, 16020), (2010, 15486), (2412, 12905), (2581, 12060), (2610, 11926), (2670, 11658), (3015, 10324), (3204, 9715), (3886, 8010), (4005, 7772), (4020, 7743), (5162, 6030), (5220, 5963), (5340, 5829)]