420662760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3361}}^1$

素因数の和:3531

約数の個数: 128

約数和(自身を含む): 1452384000

約数和(自身を除く): 1031721240

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, 149, 168, 210, 280, 298, 420, 447, 596, 745, 840, 894, 1043, 1192, 1490, 1788, 2086, 2235, 2980, 3129, 3361, 3576, 4172, 4470, 5215, 5960, 6258, 6722, 8344, 8940, 10083, 10430, 12516, 13444, 15645, 16805, 17880, 20166, 20860, 23527, 25032, 26888, 31290, 33610, 40332, 41720, 47054, 50415, 62580, 67220, 70581, 80664, 94108, 100830, 117635, 125160, 134440, 141162, 188216, 201660, 235270, 282324, 352905, 403320, 470540, 500789, 564648, 705810, 941080, 1001578, 1411620, 1502367, 2003156, 2503945, 2823240, 3004734, 3505523, 4006312, 5007890, 6009468, 7011046, 7511835, 10015780, 10516569, 12018936, 14022092, 15023670, 17527615, 20031560, 21033138, 28044184, 30047340, 35055230, 42066276, 52582845, 60094680, 70110460, 84132552, 105165690, 140220920, 210331380, 420662760]

約数ペア:

[(1, 420662760), (2, 210331380), (3, 140220920), (4, 105165690), (5, 84132552), (6, 70110460), (7, 60094680), (8, 52582845), (10, 42066276), (12, 35055230), (14, 30047340), (15, 28044184), (20, 21033138), (21, 20031560), (24, 17527615), (28, 15023670), (30, 14022092), (35, 12018936), (40, 10516569), (42, 10015780), (56, 7511835), (60, 7011046), (70, 6009468), (84, 5007890), (105, 4006312), (120, 3505523), (140, 3004734), (149, 2823240), (168, 2503945), (210, 2003156), (280, 1502367), (298, 1411620), (420, 1001578), (447, 941080), (596, 705810), (745, 564648), (840, 500789), (894, 470540), (1043, 403320), (1192, 352905), (1490, 282324), (1788, 235270), (2086, 201660), (2235, 188216), (2980, 141162), (3129, 134440), (3361, 125160), (3576, 117635), (4172, 100830), (4470, 94108), (5215, 80664), (5960, 70581), (6258, 67220), (6722, 62580), (8344, 50415), (8940, 47054), (10083, 41720), (10430, 40332), (12516, 33610), (13444, 31290), (15645, 26888), (16805, 25032), (17880, 23527), (20166, 20860)]