30357990

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:97

約数の個数: 144

約数和(自身を含む): 91085904

約数和(自身を除く): 60727914

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 31, 39, 45, 54, 62, 65, 78, 81, 90, 93, 117, 130, 135, 155, 162, 186, 195, 234, 243, 270, 279, 310, 351, 390, 403, 405, 465, 486, 558, 585, 702, 806, 810, 837, 930, 961, 1053, 1170, 1209, 1215, 1395, 1674, 1755, 1922, 2015, 2106, 2418, 2430, 2511, 2790, 2883, 3159, 3510, 3627, 4030, 4185, 4805, 5022, 5265, 5766, 6045, 6318, 7254, 7533, 8370, 8649, 9610, 10530, 10881, 12090, 12493, 12555, 14415, 15066, 15795, 17298, 18135, 21762, 24986, 25110, 25947, 28830, 31590, 32643, 36270, 37479, 37665, 43245, 51894, 54405, 62465, 65286, 74958, 75330, 77841, 86490, 97929, 108810, 112437, 124930, 129735, 155682, 163215, 187395, 195858, 224874, 233523, 259470, 326430, 337311, 374790, 389205, 467046, 489645, 562185, 674622, 778410, 979290, 1011933, 1124370, 1167615, 1686555, 2023866, 2335230, 3035799, 3373110, 5059665, 6071598, 10119330, 15178995, 30357990]

約数ペア:

[(1, 30357990), (2, 15178995), (3, 10119330), (5, 6071598), (6, 5059665), (9, 3373110), (10, 3035799), (13, 2335230), (15, 2023866), (18, 1686555), (26, 1167615), (27, 1124370), (30, 1011933), (31, 979290), (39, 778410), (45, 674622), (54, 562185), (62, 489645), (65, 467046), (78, 389205), (81, 374790), (90, 337311), (93, 326430), (117, 259470), (130, 233523), (135, 224874), (155, 195858), (162, 187395), (186, 163215), (195, 155682), (234, 129735), (243, 124930), (270, 112437), (279, 108810), (310, 97929), (351, 86490), (390, 77841), (403, 75330), (405, 74958), (465, 65286), (486, 62465), (558, 54405), (585, 51894), (702, 43245), (806, 37665), (810, 37479), (837, 36270), (930, 32643), (961, 31590), (1053, 28830), (1170, 25947), (1209, 25110), (1215, 24986), (1395, 21762), (1674, 18135), (1755, 17298), (1922, 15795), (2015, 15066), (2106, 14415), (2418, 12555), (2430, 12493), (2511, 12090), (2790, 10881), (2883, 10530), (3159, 9610), (3510, 8649), (3627, 8370), (4030, 7533), (4185, 7254), (4805, 6318), (5022, 6045), (5265, 5766)]