About the Number

12731580

12731579 ← → 12731581

2進数表記:110000100100010010111100

漢数字表記:千二百七十三万千五百八十

素因数分解:

2 2 × 3 4 × 5 1 × 29 1 × 271 1

素因数の和:321
約数の個数: 120
約数和(自身を含む): 41469120
約数和(自身を除く): 28737540

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 261, 270, 271, 290, 324, 348, 405, 435, 522, 540, 542, 580, 783, 810, 813, 870, 1044, 1084, 1305, 1355, 1566, 1620, 1626, 1740, 2349, 2439, 2610, 2710, 3132, 3252, 3915, 4065, 4698, 4878, 5220, 5420, 7317, 7830, 7859, 8130, 9396, 9756, 11745, 12195, 14634, 15660, 15718, 16260, 21951, 23490, 23577, 24390, 29268, 31436, 36585, 39295, 43902, 46980, 47154, 48780, 70731, 73170, 78590, 87804, 94308, 109755, 117885, 141462, 146340, 157180, 212193, 219510, 235770, 282924, 353655, 424386, 439020, 471540, 636579, 707310, 848772, 1060965, 1273158, 1414620, 2121930, 2546316, 3182895, 4243860, 6365790, 12731580]

約数ペア:
[(1, 12731580), (2, 6365790), (3, 4243860), (4, 3182895), (5, 2546316), (6, 2121930), (9, 1414620), (10, 1273158), (12, 1060965), (15, 848772), (18, 707310), (20, 636579), (27, 471540), (29, 439020), (30, 424386), (36, 353655), (45, 282924), (54, 235770), (58, 219510), (60, 212193), (81, 157180), (87, 146340), (90, 141462), (108, 117885), (116, 109755), (135, 94308), (145, 87804), (162, 78590), (174, 73170), (180, 70731), (261, 48780), (270, 47154), (271, 46980), (290, 43902), (324, 39295), (348, 36585), (405, 31436), (435, 29268), (522, 24390), (540, 23577), (542, 23490), (580, 21951), (783, 16260), (810, 15718), (813, 15660), (870, 14634), (1044, 12195), (1084, 11745), (1305, 9756), (1355, 9396), (1566, 8130), (1620, 7859), (1626, 7830), (1740, 7317), (2349, 5420), (2439, 5220), (2610, 4878), (2710, 4698), (3132, 4065), (3252, 3915)]

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