161331240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1289}}^1$

素因数の和:1459

約数の個数: 128

約数和(自身を含む): 557280000

約数和(自身を除く): 395948760

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, 1289, 1490, 1788, 2086, 2235, 2578, 2980, 3129, 3576, 3867, 4172, 4470, 5156, 5215, 5960, 6258, 6445, 7734, 8344, 8940, 9023, 10312, 10430, 12516, 12890, 15468, 15645, 17880, 18046, 19335, 20860, 25032, 25780, 27069, 30936, 31290, 36092, 38670, 41720, 45115, 51560, 54138, 62580, 72184, 77340, 90230, 108276, 125160, 135345, 154680, 180460, 192061, 216552, 270690, 360920, 384122, 541380, 576183, 768244, 960305, 1082760, 1152366, 1344427, 1536488, 1920610, 2304732, 2688854, 2880915, 3841220, 4033281, 4609464, 5377708, 5761830, 6722135, 7682440, 8066562, 10755416, 11523660, 13444270, 16133124, 20166405, 23047320, 26888540, 32266248, 40332810, 53777080, 80665620, 161331240]

約数ペア:

[(1, 161331240), (2, 80665620), (3, 53777080), (4, 40332810), (5, 32266248), (6, 26888540), (7, 23047320), (8, 20166405), (10, 16133124), (12, 13444270), (14, 11523660), (15, 10755416), (20, 8066562), (21, 7682440), (24, 6722135), (28, 5761830), (30, 5377708), (35, 4609464), (40, 4033281), (42, 3841220), (56, 2880915), (60, 2688854), (70, 2304732), (84, 1920610), (105, 1536488), (120, 1344427), (140, 1152366), (149, 1082760), (168, 960305), (210, 768244), (280, 576183), (298, 541380), (420, 384122), (447, 360920), (596, 270690), (745, 216552), (840, 192061), (894, 180460), (1043, 154680), (1192, 135345), (1289, 125160), (1490, 108276), (1788, 90230), (2086, 77340), (2235, 72184), (2578, 62580), (2980, 54138), (3129, 51560), (3576, 45115), (3867, 41720), (4172, 38670), (4470, 36092), (5156, 31290), (5215, 30936), (5960, 27069), (6258, 25780), (6445, 25032), (7734, 20860), (8344, 19335), (8940, 18046), (9023, 17880), (10312, 15645), (10430, 15468), (12516, 12890)]