64538820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:314

約数の個数: 144

約数和(自身を含む): 209139840

約数和(自身を除く): 144601020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 113, 114, 167, 171, 180, 190, 226, 228, 285, 334, 339, 342, 380, 452, 501, 565, 570, 668, 678, 684, 835, 855, 1002, 1017, 1130, 1140, 1356, 1503, 1670, 1695, 1710, 2004, 2034, 2147, 2260, 2505, 3006, 3173, 3340, 3390, 3420, 4068, 4294, 5010, 5085, 6012, 6346, 6441, 6780, 7515, 8588, 9519, 10020, 10170, 10735, 12692, 12882, 15030, 15865, 18871, 19038, 19323, 20340, 21470, 25764, 28557, 30060, 31730, 32205, 37742, 38076, 38646, 42940, 47595, 56613, 57114, 63460, 64410, 75484, 77292, 94355, 95190, 96615, 113226, 114228, 128820, 142785, 169839, 188710, 190380, 193230, 226452, 283065, 285570, 339678, 358549, 377420, 386460, 566130, 571140, 679356, 717098, 849195, 1075647, 1132260, 1434196, 1698390, 1792745, 2151294, 3226941, 3396780, 3585490, 4302588, 5378235, 6453882, 7170980, 10756470, 12907764, 16134705, 21512940, 32269410, 64538820]

約数ペア:

[(1, 64538820), (2, 32269410), (3, 21512940), (4, 16134705), (5, 12907764), (6, 10756470), (9, 7170980), (10, 6453882), (12, 5378235), (15, 4302588), (18, 3585490), (19, 3396780), (20, 3226941), (30, 2151294), (36, 1792745), (38, 1698390), (45, 1434196), (57, 1132260), (60, 1075647), (76, 849195), (90, 717098), (95, 679356), (113, 571140), (114, 566130), (167, 386460), (171, 377420), (180, 358549), (190, 339678), (226, 285570), (228, 283065), (285, 226452), (334, 193230), (339, 190380), (342, 188710), (380, 169839), (452, 142785), (501, 128820), (565, 114228), (570, 113226), (668, 96615), (678, 95190), (684, 94355), (835, 77292), (855, 75484), (1002, 64410), (1017, 63460), (1130, 57114), (1140, 56613), (1356, 47595), (1503, 42940), (1670, 38646), (1695, 38076), (1710, 37742), (2004, 32205), (2034, 31730), (2147, 30060), (2260, 28557), (2505, 25764), (3006, 21470), (3173, 20340), (3340, 19323), (3390, 19038), (3420, 18871), (4068, 15865), (4294, 15030), (5010, 12882), (5085, 12692), (6012, 10735), (6346, 10170), (6441, 10020), (6780, 9519), (7515, 8588)]