1303358840

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:411

約数の個数: 160

約数和(自身を含む): 3515142960

約数和(自身を除く): 2211784120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 49, 56, 70, 82, 98, 140, 164, 196, 205, 245, 280, 287, 328, 331, 343, 392, 410, 490, 574, 662, 686, 820, 980, 1148, 1324, 1372, 1435, 1640, 1655, 1715, 1960, 2009, 2296, 2317, 2401, 2648, 2744, 2870, 3310, 3430, 4018, 4634, 4802, 5740, 6620, 6860, 8036, 9268, 9604, 10045, 11480, 11585, 12005, 13240, 13571, 13720, 14063, 16072, 16219, 18536, 19208, 20090, 23170, 24010, 27142, 28126, 32438, 40180, 46340, 48020, 54284, 56252, 64876, 67855, 70315, 80360, 81095, 92680, 94997, 96040, 98441, 108568, 112504, 113533, 129752, 135710, 140630, 162190, 189994, 196882, 227066, 271420, 281260, 324380, 379988, 393764, 454132, 474985, 492205, 542840, 562520, 567665, 648760, 664979, 759976, 787528, 794731, 908264, 949970, 984410, 1135330, 1329958, 1589462, 1899940, 1968820, 2270660, 2659916, 3178924, 3324895, 3799880, 3937640, 3973655, 4541320, 4654853, 5319832, 6357848, 6649790, 7947310, 9309706, 13299580, 15894620, 18619412, 23274265, 26599160, 31789240, 32583971, 37238824, 46548530, 65167942, 93097060, 130335884, 162919855, 186194120, 260671768, 325839710, 651679420, 1303358840]

約数ペア:

[(1, 1303358840), (2, 651679420), (4, 325839710), (5, 260671768), (7, 186194120), (8, 162919855), (10, 130335884), (14, 93097060), (20, 65167942), (28, 46548530), (35, 37238824), (40, 32583971), (41, 31789240), (49, 26599160), (56, 23274265), (70, 18619412), (82, 15894620), (98, 13299580), (140, 9309706), (164, 7947310), (196, 6649790), (205, 6357848), (245, 5319832), (280, 4654853), (287, 4541320), (328, 3973655), (331, 3937640), (343, 3799880), (392, 3324895), (410, 3178924), (490, 2659916), (574, 2270660), (662, 1968820), (686, 1899940), (820, 1589462), (980, 1329958), (1148, 1135330), (1324, 984410), (1372, 949970), (1435, 908264), (1640, 794731), (1655, 787528), (1715, 759976), (1960, 664979), (2009, 648760), (2296, 567665), (2317, 562520), (2401, 542840), (2648, 492205), (2744, 474985), (2870, 454132), (3310, 393764), (3430, 379988), (4018, 324380), (4634, 281260), (4802, 271420), (5740, 227066), (6620, 196882), (6860, 189994), (8036, 162190), (9268, 140630), (9604, 135710), (10045, 129752), (11480, 113533), (11585, 112504), (12005, 108568), (13240, 98441), (13571, 96040), (13720, 94997), (14063, 92680), (16072, 81095), (16219, 80360), (18536, 70315), (19208, 67855), (20090, 64876), (23170, 56252), (24010, 54284), (27142, 48020), (28126, 46340), (32438, 40180)]