221756940

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{443}}^1$

素因数の和:570

約数の個数: 144

約数和(自身を含む): 705938688

約数和(自身を除く): 484181748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 103, 108, 135, 162, 180, 206, 243, 270, 309, 324, 405, 412, 443, 486, 515, 540, 618, 810, 886, 927, 972, 1030, 1215, 1236, 1329, 1545, 1620, 1772, 1854, 2060, 2215, 2430, 2658, 2781, 3090, 3708, 3987, 4430, 4635, 4860, 5316, 5562, 6180, 6645, 7974, 8343, 8860, 9270, 11124, 11961, 13290, 13905, 15948, 16686, 18540, 19935, 23922, 25029, 26580, 27810, 33372, 35883, 39870, 41715, 45629, 47844, 50058, 55620, 59805, 71766, 79740, 83430, 91258, 100116, 107649, 119610, 125145, 136887, 143532, 166860, 179415, 182516, 215298, 228145, 239220, 250290, 273774, 358830, 410661, 430596, 456290, 500580, 538245, 547548, 684435, 717660, 821322, 912580, 1076490, 1231983, 1368870, 1642644, 2053305, 2152980, 2463966, 2737740, 3695949, 4106610, 4927932, 6159915, 7391898, 8213220, 11087847, 12319830, 14783796, 18479745, 22175694, 24639660, 36959490, 44351388, 55439235, 73918980, 110878470, 221756940]

約数ペア:

[(1, 221756940), (2, 110878470), (3, 73918980), (4, 55439235), (5, 44351388), (6, 36959490), (9, 24639660), (10, 22175694), (12, 18479745), (15, 14783796), (18, 12319830), (20, 11087847), (27, 8213220), (30, 7391898), (36, 6159915), (45, 4927932), (54, 4106610), (60, 3695949), (81, 2737740), (90, 2463966), (103, 2152980), (108, 2053305), (135, 1642644), (162, 1368870), (180, 1231983), (206, 1076490), (243, 912580), (270, 821322), (309, 717660), (324, 684435), (405, 547548), (412, 538245), (443, 500580), (486, 456290), (515, 430596), (540, 410661), (618, 358830), (810, 273774), (886, 250290), (927, 239220), (972, 228145), (1030, 215298), (1215, 182516), (1236, 179415), (1329, 166860), (1545, 143532), (1620, 136887), (1772, 125145), (1854, 119610), (2060, 107649), (2215, 100116), (2430, 91258), (2658, 83430), (2781, 79740), (3090, 71766), (3708, 59805), (3987, 55620), (4430, 50058), (4635, 47844), (4860, 45629), (5316, 41715), (5562, 39870), (6180, 35883), (6645, 33372), (7974, 27810), (8343, 26580), (8860, 25029), (9270, 23922), (11124, 19935), (11961, 18540), (13290, 16686), (13905, 15948)]