90278040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 279936000

約数和(自身を除く): 189657960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 89, 107, 120, 158, 178, 214, 237, 267, 316, 321, 356, 395, 428, 445, 474, 534, 535, 632, 642, 712, 790, 856, 890, 948, 1068, 1070, 1185, 1284, 1335, 1580, 1605, 1780, 1896, 2136, 2140, 2370, 2568, 2670, 3160, 3210, 3560, 4280, 4740, 5340, 6420, 7031, 8453, 9480, 9523, 10680, 12840, 14062, 16906, 19046, 21093, 25359, 28124, 28569, 33812, 35155, 38092, 42186, 42265, 47615, 50718, 56248, 57138, 67624, 70310, 76184, 84372, 84530, 95230, 101436, 105465, 114276, 126795, 140620, 142845, 168744, 169060, 190460, 202872, 210930, 228552, 253590, 281240, 285690, 338120, 380920, 421860, 507180, 571380, 752317, 843720, 1014360, 1142760, 1504634, 2256951, 3009268, 3761585, 4513902, 6018536, 7523170, 9027804, 11284755, 15046340, 18055608, 22569510, 30092680, 45139020, 90278040]

約数ペア:

[(1, 90278040), (2, 45139020), (3, 30092680), (4, 22569510), (5, 18055608), (6, 15046340), (8, 11284755), (10, 9027804), (12, 7523170), (15, 6018536), (20, 4513902), (24, 3761585), (30, 3009268), (40, 2256951), (60, 1504634), (79, 1142760), (89, 1014360), (107, 843720), (120, 752317), (158, 571380), (178, 507180), (214, 421860), (237, 380920), (267, 338120), (316, 285690), (321, 281240), (356, 253590), (395, 228552), (428, 210930), (445, 202872), (474, 190460), (534, 169060), (535, 168744), (632, 142845), (642, 140620), (712, 126795), (790, 114276), (856, 105465), (890, 101436), (948, 95230), (1068, 84530), (1070, 84372), (1185, 76184), (1284, 70310), (1335, 67624), (1580, 57138), (1605, 56248), (1780, 50718), (1896, 47615), (2136, 42265), (2140, 42186), (2370, 38092), (2568, 35155), (2670, 33812), (3160, 28569), (3210, 28124), (3560, 25359), (4280, 21093), (4740, 19046), (5340, 16906), (6420, 14062), (7031, 12840), (8453, 10680), (9480, 9523)]