30390120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1481}}^1$

素因数の和:1520

約数の個数: 128

約数和(自身を含む): 106704000

約数和(自身を除く): 76313880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1481, 1710, 2052, 2280, 2565, 2962, 3420, 4104, 4443, 5130, 5924, 6840, 7405, 8886, 10260, 11848, 13329, 14810, 17772, 20520, 22215, 26658, 28139, 29620, 35544, 39987, 44430, 53316, 56278, 59240, 66645, 79974, 84417, 88860, 106632, 112556, 133290, 140695, 159948, 168834, 177720, 199935, 225112, 253251, 266580, 281390, 319896, 337668, 399870, 422085, 506502, 533160, 562780, 675336, 759753, 799740, 844170, 1013004, 1125560, 1266255, 1519506, 1599480, 1688340, 2026008, 2532510, 3039012, 3376680, 3798765, 5065020, 6078024, 7597530, 10130040, 15195060, 30390120]

約数ペア:

[(1, 30390120), (2, 15195060), (3, 10130040), (4, 7597530), (5, 6078024), (6, 5065020), (8, 3798765), (9, 3376680), (10, 3039012), (12, 2532510), (15, 2026008), (18, 1688340), (19, 1599480), (20, 1519506), (24, 1266255), (27, 1125560), (30, 1013004), (36, 844170), (38, 799740), (40, 759753), (45, 675336), (54, 562780), (57, 533160), (60, 506502), (72, 422085), (76, 399870), (90, 337668), (95, 319896), (108, 281390), (114, 266580), (120, 253251), (135, 225112), (152, 199935), (171, 177720), (180, 168834), (190, 159948), (216, 140695), (228, 133290), (270, 112556), (285, 106632), (342, 88860), (360, 84417), (380, 79974), (456, 66645), (513, 59240), (540, 56278), (570, 53316), (684, 44430), (760, 39987), (855, 35544), (1026, 29620), (1080, 28139), (1140, 26658), (1368, 22215), (1481, 20520), (1710, 17772), (2052, 14810), (2280, 13329), (2565, 11848), (2962, 10260), (3420, 8886), (4104, 7405), (4443, 6840), (5130, 5924)]