140912520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{739}}^1$

素因数の和:987

約数の個数: 128

約数和(自身を含む): 485913600

約数和(自身を除く): 345001080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 227, 280, 420, 454, 681, 739, 840, 908, 1135, 1362, 1478, 1589, 1816, 2217, 2270, 2724, 2956, 3178, 3405, 3695, 4434, 4540, 4767, 5173, 5448, 5912, 6356, 6810, 7390, 7945, 8868, 9080, 9534, 10346, 11085, 12712, 13620, 14780, 15519, 15890, 17736, 19068, 20692, 22170, 23835, 25865, 27240, 29560, 31038, 31780, 38136, 41384, 44340, 47670, 51730, 62076, 63560, 77595, 88680, 95340, 103460, 124152, 155190, 167753, 190680, 206920, 310380, 335506, 503259, 620760, 671012, 838765, 1006518, 1174271, 1342024, 1677530, 2013036, 2348542, 2516295, 3355060, 3522813, 4026072, 4697084, 5032590, 5871355, 6710120, 7045626, 9394168, 10065180, 11742710, 14091252, 17614065, 20130360, 23485420, 28182504, 35228130, 46970840, 70456260, 140912520]

約数ペア:

[(1, 140912520), (2, 70456260), (3, 46970840), (4, 35228130), (5, 28182504), (6, 23485420), (7, 20130360), (8, 17614065), (10, 14091252), (12, 11742710), (14, 10065180), (15, 9394168), (20, 7045626), (21, 6710120), (24, 5871355), (28, 5032590), (30, 4697084), (35, 4026072), (40, 3522813), (42, 3355060), (56, 2516295), (60, 2348542), (70, 2013036), (84, 1677530), (105, 1342024), (120, 1174271), (140, 1006518), (168, 838765), (210, 671012), (227, 620760), (280, 503259), (420, 335506), (454, 310380), (681, 206920), (739, 190680), (840, 167753), (908, 155190), (1135, 124152), (1362, 103460), (1478, 95340), (1589, 88680), (1816, 77595), (2217, 63560), (2270, 62076), (2724, 51730), (2956, 47670), (3178, 44340), (3405, 41384), (3695, 38136), (4434, 31780), (4540, 31038), (4767, 29560), (5173, 27240), (5448, 25865), (5912, 23835), (6356, 22170), (6810, 20692), (7390, 19068), (7945, 17736), (8868, 15890), (9080, 15519), (9534, 14780), (10346, 13620), (11085, 12712)]