280142388

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:495

約数の個数: 120

約数和(自身を含む): 782485704

約数和(自身を除く): 502343316

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 181, 204, 281, 306, 324, 362, 459, 543, 562, 612, 724, 843, 918, 1086, 1124, 1377, 1629, 1686, 1836, 2172, 2529, 2754, 3077, 3258, 3372, 4777, 4887, 5058, 5508, 6154, 6516, 7587, 9231, 9554, 9774, 10116, 12308, 14331, 14661, 15174, 18462, 19108, 19548, 22761, 27693, 28662, 29322, 30348, 36924, 42993, 45522, 50861, 55386, 57324, 58644, 83079, 85986, 91044, 101722, 110772, 128979, 152583, 166158, 171972, 203444, 249237, 257958, 305166, 332316, 386937, 457749, 498474, 515916, 610332, 773874, 864637, 915498, 996948, 1373247, 1547748, 1729274, 1830996, 2593911, 2746494, 3458548, 4119741, 5187822, 5492988, 7781733, 8239482, 10375644, 15563466, 16478964, 23345199, 31126932, 46690398, 70035597, 93380796, 140071194, 280142388]

約数ペア:

[(1, 280142388), (2, 140071194), (3, 93380796), (4, 70035597), (6, 46690398), (9, 31126932), (12, 23345199), (17, 16478964), (18, 15563466), (27, 10375644), (34, 8239482), (36, 7781733), (51, 5492988), (54, 5187822), (68, 4119741), (81, 3458548), (102, 2746494), (108, 2593911), (153, 1830996), (162, 1729274), (181, 1547748), (204, 1373247), (281, 996948), (306, 915498), (324, 864637), (362, 773874), (459, 610332), (543, 515916), (562, 498474), (612, 457749), (724, 386937), (843, 332316), (918, 305166), (1086, 257958), (1124, 249237), (1377, 203444), (1629, 171972), (1686, 166158), (1836, 152583), (2172, 128979), (2529, 110772), (2754, 101722), (3077, 91044), (3258, 85986), (3372, 83079), (4777, 58644), (4887, 57324), (5058, 55386), (5508, 50861), (6154, 45522), (6516, 42993), (7587, 36924), (9231, 30348), (9554, 29322), (9774, 28662), (10116, 27693), (12308, 22761), (14331, 19548), (14661, 19108), (15174, 18462)]