28759080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:168

約数の個数: 192

約数和(自身を含む): 103256640

約数和(自身を除く): 74497560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 67, 70, 73, 84, 98, 105, 120, 134, 140, 146, 147, 168, 196, 201, 210, 219, 245, 268, 280, 292, 294, 335, 365, 392, 402, 420, 438, 469, 490, 511, 536, 584, 588, 670, 730, 735, 804, 840, 876, 938, 980, 1005, 1022, 1095, 1176, 1340, 1407, 1460, 1470, 1533, 1608, 1752, 1876, 1960, 2010, 2044, 2190, 2345, 2555, 2680, 2814, 2920, 2940, 3066, 3283, 3577, 3752, 4020, 4088, 4380, 4690, 4891, 5110, 5628, 5880, 6132, 6566, 7035, 7154, 7665, 8040, 8760, 9380, 9782, 9849, 10220, 10731, 11256, 12264, 13132, 14070, 14308, 14673, 15330, 16415, 17885, 18760, 19564, 19698, 20440, 21462, 24455, 26264, 28140, 28616, 29346, 30660, 32830, 34237, 35770, 39128, 39396, 42924, 48910, 49245, 53655, 56280, 58692, 61320, 65660, 68474, 71540, 73365, 78792, 85848, 97820, 98490, 102711, 107310, 117384, 131320, 136948, 143080, 146730, 171185, 195640, 196980, 205422, 214620, 239659, 273896, 293460, 342370, 393960, 410844, 429240, 479318, 513555, 586920, 684740, 718977, 821688, 958636, 1027110, 1198295, 1369480, 1437954, 1917272, 2054220, 2396590, 2875908, 3594885, 4108440, 4793180, 5751816, 7189770, 9586360, 14379540, 28759080]

約数ペア:

[(1, 28759080), (2, 14379540), (3, 9586360), (4, 7189770), (5, 5751816), (6, 4793180), (7, 4108440), (8, 3594885), (10, 2875908), (12, 2396590), (14, 2054220), (15, 1917272), (20, 1437954), (21, 1369480), (24, 1198295), (28, 1027110), (30, 958636), (35, 821688), (40, 718977), (42, 684740), (49, 586920), (56, 513555), (60, 479318), (67, 429240), (70, 410844), (73, 393960), (84, 342370), (98, 293460), (105, 273896), (120, 239659), (134, 214620), (140, 205422), (146, 196980), (147, 195640), (168, 171185), (196, 146730), (201, 143080), (210, 136948), (219, 131320), (245, 117384), (268, 107310), (280, 102711), (292, 98490), (294, 97820), (335, 85848), (365, 78792), (392, 73365), (402, 71540), (420, 68474), (438, 65660), (469, 61320), (490, 58692), (511, 56280), (536, 53655), (584, 49245), (588, 48910), (670, 42924), (730, 39396), (735, 39128), (804, 35770), (840, 34237), (876, 32830), (938, 30660), (980, 29346), (1005, 28616), (1022, 28140), (1095, 26264), (1176, 24455), (1340, 21462), (1407, 20440), (1460, 19698), (1470, 19564), (1533, 18760), (1608, 17885), (1752, 16415), (1876, 15330), (1960, 14673), (2010, 14308), (2044, 14070), (2190, 13132), (2345, 12264), (2555, 11256), (2680, 10731), (2814, 10220), (2920, 9849), (2940, 9782), (3066, 9380), (3283, 8760), (3577, 8040), (3752, 7665), (4020, 7154), (4088, 7035), (4380, 6566), (4690, 6132), (4891, 5880), (5110, 5628)]