13905720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{107}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 48143160

約数和(自身を除く): 34237440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 107, 114, 120, 152, 171, 180, 190, 214, 228, 285, 321, 342, 360, 361, 380, 428, 456, 535, 570, 642, 684, 722, 760, 855, 856, 963, 1070, 1083, 1140, 1284, 1368, 1444, 1605, 1710, 1805, 1926, 2033, 2140, 2166, 2280, 2568, 2888, 3210, 3249, 3420, 3610, 3852, 4066, 4280, 4332, 4815, 5415, 6099, 6420, 6498, 6840, 7220, 7704, 8132, 8664, 9630, 10165, 10830, 12198, 12840, 12996, 14440, 16245, 16264, 18297, 19260, 20330, 21660, 24396, 25992, 30495, 32490, 36594, 38520, 38627, 40660, 43320, 48792, 60990, 64980, 73188, 77254, 81320, 91485, 115881, 121980, 129960, 146376, 154508, 182970, 193135, 231762, 243960, 309016, 347643, 365940, 386270, 463524, 579405, 695286, 731880, 772540, 927048, 1158810, 1390572, 1545080, 1738215, 2317620, 2781144, 3476430, 4635240, 6952860, 13905720]

約数ペア:

[(1, 13905720), (2, 6952860), (3, 4635240), (4, 3476430), (5, 2781144), (6, 2317620), (8, 1738215), (9, 1545080), (10, 1390572), (12, 1158810), (15, 927048), (18, 772540), (19, 731880), (20, 695286), (24, 579405), (30, 463524), (36, 386270), (38, 365940), (40, 347643), (45, 309016), (57, 243960), (60, 231762), (72, 193135), (76, 182970), (90, 154508), (95, 146376), (107, 129960), (114, 121980), (120, 115881), (152, 91485), (171, 81320), (180, 77254), (190, 73188), (214, 64980), (228, 60990), (285, 48792), (321, 43320), (342, 40660), (360, 38627), (361, 38520), (380, 36594), (428, 32490), (456, 30495), (535, 25992), (570, 24396), (642, 21660), (684, 20330), (722, 19260), (760, 18297), (855, 16264), (856, 16245), (963, 14440), (1070, 12996), (1083, 12840), (1140, 12198), (1284, 10830), (1368, 10165), (1444, 9630), (1605, 8664), (1710, 8132), (1805, 7704), (1926, 7220), (2033, 6840), (2140, 6498), (2166, 6420), (2280, 6099), (2568, 5415), (2888, 4815), (3210, 4332), (3249, 4280), (3420, 4066), (3610, 3852)]