128132280

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:651

約数の個数: 160

約数和(自身を含む): 437516640

約数和(自身を除く): 309384360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 81, 90, 108, 120, 135, 142, 162, 180, 213, 216, 270, 284, 324, 355, 360, 405, 426, 540, 557, 568, 639, 648, 710, 810, 852, 1065, 1080, 1114, 1278, 1420, 1620, 1671, 1704, 1917, 2130, 2228, 2556, 2785, 2840, 3195, 3240, 3342, 3834, 4260, 4456, 5013, 5112, 5570, 5751, 6390, 6684, 7668, 8355, 8520, 9585, 10026, 11140, 11502, 12780, 13368, 15039, 15336, 16710, 19170, 20052, 22280, 23004, 25065, 25560, 28755, 30078, 33420, 38340, 39547, 40104, 45117, 46008, 50130, 57510, 60156, 66840, 75195, 76680, 79094, 90234, 100260, 115020, 118641, 120312, 150390, 158188, 180468, 197735, 200520, 225585, 230040, 237282, 300780, 316376, 355923, 360936, 395470, 451170, 474564, 593205, 601560, 711846, 790940, 902340, 949128, 1067769, 1186410, 1423692, 1581880, 1779615, 1804680, 2135538, 2372820, 2847384, 3203307, 3559230, 4271076, 4745640, 5338845, 6406614, 7118460, 8542152, 10677690, 12813228, 14236920, 16016535, 21355380, 25626456, 32033070, 42710760, 64066140, 128132280]

約数ペア:

[(1, 128132280), (2, 64066140), (3, 42710760), (4, 32033070), (5, 25626456), (6, 21355380), (8, 16016535), (9, 14236920), (10, 12813228), (12, 10677690), (15, 8542152), (18, 7118460), (20, 6406614), (24, 5338845), (27, 4745640), (30, 4271076), (36, 3559230), (40, 3203307), (45, 2847384), (54, 2372820), (60, 2135538), (71, 1804680), (72, 1779615), (81, 1581880), (90, 1423692), (108, 1186410), (120, 1067769), (135, 949128), (142, 902340), (162, 790940), (180, 711846), (213, 601560), (216, 593205), (270, 474564), (284, 451170), (324, 395470), (355, 360936), (360, 355923), (405, 316376), (426, 300780), (540, 237282), (557, 230040), (568, 225585), (639, 200520), (648, 197735), (710, 180468), (810, 158188), (852, 150390), (1065, 120312), (1080, 118641), (1114, 115020), (1278, 100260), (1420, 90234), (1620, 79094), (1671, 76680), (1704, 75195), (1917, 66840), (2130, 60156), (2228, 57510), (2556, 50130), (2785, 46008), (2840, 45117), (3195, 40104), (3240, 39547), (3342, 38340), (3834, 33420), (4260, 30078), (4456, 28755), (5013, 25560), (5112, 25065), (5570, 23004), (5751, 22280), (6390, 20052), (6684, 19170), (7668, 16710), (8355, 15336), (8520, 15039), (9585, 13368), (10026, 12780), (11140, 11502)]