1320653520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5081}}^1$

素因数の和:5138

約数の個数: 180

約数和(自身を含む): 4681833156

約数和(自身を除く): 3361179636

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 361, 380, 456, 570, 684, 720, 722, 760, 855, 912, 1083, 1140, 1368, 1444, 1520, 1710, 1805, 2166, 2280, 2736, 2888, 3249, 3420, 3610, 4332, 4560, 5081, 5415, 5776, 6498, 6840, 7220, 8664, 10162, 10830, 12996, 13680, 14440, 15243, 16245, 17328, 20324, 21660, 25405, 25992, 28880, 30486, 32490, 40648, 43320, 45729, 50810, 51984, 60972, 64980, 76215, 81296, 86640, 91458, 96539, 101620, 121944, 129960, 152430, 182916, 193078, 203240, 228645, 243888, 259920, 289617, 304860, 365832, 386156, 406480, 457290, 482695, 579234, 609720, 731664, 772312, 868851, 914580, 965390, 1158468, 1219440, 1448085, 1544624, 1737702, 1829160, 1834241, 1930780, 2316936, 2896170, 3475404, 3658320, 3668482, 3861560, 4344255, 4633872, 5502723, 5792340, 6950808, 7336964, 7723120, 8688510, 9171205, 11005446, 11584680, 13901616, 14673928, 16508169, 17377020, 18342410, 22010892, 23169360, 27513615, 29347856, 33016338, 34754040, 36684820, 44021784, 55027230, 66032676, 69508080, 73369640, 82540845, 88043568, 110054460, 132065352, 146739280, 165081690, 220108920, 264130704, 330163380, 440217840, 660326760, 1320653520]

約数ペア:

[(1, 1320653520), (2, 660326760), (3, 440217840), (4, 330163380), (5, 264130704), (6, 220108920), (8, 165081690), (9, 146739280), (10, 132065352), (12, 110054460), (15, 88043568), (16, 82540845), (18, 73369640), (19, 69508080), (20, 66032676), (24, 55027230), (30, 44021784), (36, 36684820), (38, 34754040), (40, 33016338), (45, 29347856), (48, 27513615), (57, 23169360), (60, 22010892), (72, 18342410), (76, 17377020), (80, 16508169), (90, 14673928), (95, 13901616), (114, 11584680), (120, 11005446), (144, 9171205), (152, 8688510), (171, 7723120), (180, 7336964), (190, 6950808), (228, 5792340), (240, 5502723), (285, 4633872), (304, 4344255), (342, 3861560), (360, 3668482), (361, 3658320), (380, 3475404), (456, 2896170), (570, 2316936), (684, 1930780), (720, 1834241), (722, 1829160), (760, 1737702), (855, 1544624), (912, 1448085), (1083, 1219440), (1140, 1158468), (1368, 965390), (1444, 914580), (1520, 868851), (1710, 772312), (1805, 731664), (2166, 609720), (2280, 579234), (2736, 482695), (2888, 457290), (3249, 406480), (3420, 386156), (3610, 365832), (4332, 304860), (4560, 289617), (5081, 259920), (5415, 243888), (5776, 228645), (6498, 203240), (6840, 193078), (7220, 182916), (8664, 152430), (10162, 129960), (10830, 121944), (12996, 101620), (13680, 96539), (14440, 91458), (15243, 86640), (16245, 81296), (17328, 76215), (20324, 64980), (21660, 60972), (25405, 51984), (25992, 50810), (28880, 45729), (30486, 43320), (32490, 40648)]