13231980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 43636320

約数和(自身を除く): 30404340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 53, 57, 60, 73, 76, 90, 95, 106, 114, 146, 159, 171, 180, 190, 212, 219, 228, 265, 285, 292, 318, 342, 365, 380, 438, 477, 530, 570, 636, 657, 684, 730, 795, 855, 876, 954, 1007, 1060, 1095, 1140, 1314, 1387, 1460, 1590, 1710, 1908, 2014, 2190, 2385, 2628, 2774, 3021, 3180, 3285, 3420, 3869, 4028, 4161, 4380, 4770, 5035, 5548, 6042, 6570, 6935, 7738, 8322, 9063, 9540, 10070, 11607, 12084, 12483, 13140, 13870, 15105, 15476, 16644, 18126, 19345, 20140, 20805, 23214, 24966, 27740, 30210, 34821, 36252, 38690, 41610, 45315, 46428, 49932, 58035, 60420, 62415, 69642, 73511, 77380, 83220, 90630, 116070, 124830, 139284, 147022, 174105, 181260, 220533, 232140, 249660, 294044, 348210, 367555, 441066, 661599, 696420, 735110, 882132, 1102665, 1323198, 1470220, 2205330, 2646396, 3307995, 4410660, 6615990, 13231980]

約数ペア:

[(1, 13231980), (2, 6615990), (3, 4410660), (4, 3307995), (5, 2646396), (6, 2205330), (9, 1470220), (10, 1323198), (12, 1102665), (15, 882132), (18, 735110), (19, 696420), (20, 661599), (30, 441066), (36, 367555), (38, 348210), (45, 294044), (53, 249660), (57, 232140), (60, 220533), (73, 181260), (76, 174105), (90, 147022), (95, 139284), (106, 124830), (114, 116070), (146, 90630), (159, 83220), (171, 77380), (180, 73511), (190, 69642), (212, 62415), (219, 60420), (228, 58035), (265, 49932), (285, 46428), (292, 45315), (318, 41610), (342, 38690), (365, 36252), (380, 34821), (438, 30210), (477, 27740), (530, 24966), (570, 23214), (636, 20805), (657, 20140), (684, 19345), (730, 18126), (795, 16644), (855, 15476), (876, 15105), (954, 13870), (1007, 13140), (1060, 12483), (1095, 12084), (1140, 11607), (1314, 10070), (1387, 9540), (1460, 9063), (1590, 8322), (1710, 7738), (1908, 6935), (2014, 6570), (2190, 6042), (2385, 5548), (2628, 5035), (2774, 4770), (3021, 4380), (3180, 4161), (3285, 4028), (3420, 3869)]