30851518180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{487}}^1\times {\mathrm{509}}^1$

素因数の和:1146

約数の個数: 144

約数和(自身を含む): 76264796160

約数和(自身を除く): 45413277980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 127, 140, 196, 245, 254, 487, 490, 508, 509, 635, 889, 974, 980, 1018, 1270, 1778, 1948, 2036, 2435, 2540, 2545, 3409, 3556, 3563, 4445, 4870, 5090, 6223, 6818, 7126, 8890, 9740, 10180, 12446, 13636, 14252, 17045, 17780, 17815, 23863, 24892, 24941, 31115, 34090, 35630, 47726, 49882, 61849, 62230, 64643, 68180, 71260, 95452, 99764, 119315, 123698, 124460, 124705, 129286, 238630, 247396, 247883, 249410, 258572, 309245, 323215, 432943, 452501, 477260, 495766, 498820, 618490, 646430, 865886, 905002, 991532, 1236980, 1239415, 1292860, 1731772, 1735181, 1810004, 2164715, 2262505, 2478830, 3030601, 3167507, 3470362, 4329430, 4525010, 4957660, 6061202, 6335014, 6940724, 8658860, 8675905, 9050020, 12122404, 12146267, 12670028, 15153005, 15837535, 17351810, 24292534, 30306010, 31481141, 31675070, 34703620, 48585068, 60612020, 60731335, 62962282, 63350140, 121462670, 125924564, 157405705, 220367987, 242925340, 314811410, 440735974, 629622820, 881471948, 1101839935, 1542575909, 2203679870, 3085151818, 4407359740, 6170303636, 7712879545, 15425759090, 30851518180]

約数ペア:

[(1, 30851518180), (2, 15425759090), (4, 7712879545), (5, 6170303636), (7, 4407359740), (10, 3085151818), (14, 2203679870), (20, 1542575909), (28, 1101839935), (35, 881471948), (49, 629622820), (70, 440735974), (98, 314811410), (127, 242925340), (140, 220367987), (196, 157405705), (245, 125924564), (254, 121462670), (487, 63350140), (490, 62962282), (508, 60731335), (509, 60612020), (635, 48585068), (889, 34703620), (974, 31675070), (980, 31481141), (1018, 30306010), (1270, 24292534), (1778, 17351810), (1948, 15837535), (2036, 15153005), (2435, 12670028), (2540, 12146267), (2545, 12122404), (3409, 9050020), (3556, 8675905), (3563, 8658860), (4445, 6940724), (4870, 6335014), (5090, 6061202), (6223, 4957660), (6818, 4525010), (7126, 4329430), (8890, 3470362), (9740, 3167507), (10180, 3030601), (12446, 2478830), (13636, 2262505), (14252, 2164715), (17045, 1810004), (17780, 1735181), (17815, 1731772), (23863, 1292860), (24892, 1239415), (24941, 1236980), (31115, 991532), (34090, 905002), (35630, 865886), (47726, 646430), (49882, 618490), (61849, 498820), (62230, 495766), (64643, 477260), (68180, 452501), (71260, 432943), (95452, 323215), (99764, 309245), (119315, 258572), (123698, 249410), (124460, 247883), (124705, 247396), (129286, 238630)]