40291920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{523}}^1$

素因数の和:649

約数の個数: 120

約数和(自身を含む): 136839456

約数和(自身を除く): 96547536

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 107, 120, 144, 180, 214, 240, 321, 360, 428, 523, 535, 642, 720, 856, 963, 1046, 1070, 1284, 1569, 1605, 1712, 1926, 2092, 2140, 2568, 2615, 3138, 3210, 3852, 4184, 4280, 4707, 4815, 5136, 5230, 6276, 6420, 7704, 7845, 8368, 8560, 9414, 9630, 10460, 12552, 12840, 15408, 15690, 18828, 19260, 20920, 23535, 25104, 25680, 31380, 37656, 38520, 41840, 47070, 55961, 62760, 75312, 77040, 94140, 111922, 125520, 167883, 188280, 223844, 279805, 335766, 376560, 447688, 503649, 559610, 671532, 839415, 895376, 1007298, 1119220, 1343064, 1678830, 2014596, 2238440, 2518245, 2686128, 3357660, 4029192, 4476880, 5036490, 6715320, 8058384, 10072980, 13430640, 20145960, 40291920]

約数ペア:

[(1, 40291920), (2, 20145960), (3, 13430640), (4, 10072980), (5, 8058384), (6, 6715320), (8, 5036490), (9, 4476880), (10, 4029192), (12, 3357660), (15, 2686128), (16, 2518245), (18, 2238440), (20, 2014596), (24, 1678830), (30, 1343064), (36, 1119220), (40, 1007298), (45, 895376), (48, 839415), (60, 671532), (72, 559610), (80, 503649), (90, 447688), (107, 376560), (120, 335766), (144, 279805), (180, 223844), (214, 188280), (240, 167883), (321, 125520), (360, 111922), (428, 94140), (523, 77040), (535, 75312), (642, 62760), (720, 55961), (856, 47070), (963, 41840), (1046, 38520), (1070, 37656), (1284, 31380), (1569, 25680), (1605, 25104), (1712, 23535), (1926, 20920), (2092, 19260), (2140, 18828), (2568, 15690), (2615, 15408), (3138, 12840), (3210, 12552), (3852, 10460), (4184, 9630), (4280, 9414), (4707, 8560), (4815, 8368), (5136, 7845), (5230, 7704), (6276, 6420)]