About the Number

61128720

61128719 ← → 61128721

2進数表記:11101001001100000000010000

漢数字表記:六千百十二万八千七百二十

素因数分解:

2 4 × 3 2 × 5 1 × 59 1 × 1439 1

素因数の和:1517
約数の個数: 120
約数和(自身を含む): 208915200
約数和(自身を除く): 147786480

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 59, 60, 72, 80, 90, 118, 120, 144, 177, 180, 236, 240, 295, 354, 360, 472, 531, 590, 708, 720, 885, 944, 1062, 1180, 1416, 1439, 1770, 2124, 2360, 2655, 2832, 2878, 3540, 4248, 4317, 4720, 5310, 5756, 7080, 7195, 8496, 8634, 10620, 11512, 12951, 14160, 14390, 17268, 21240, 21585, 23024, 25902, 28780, 34536, 42480, 43170, 51804, 57560, 64755, 69072, 84901, 86340, 103608, 115120, 129510, 169802, 172680, 207216, 254703, 259020, 339604, 345360, 424505, 509406, 518040, 679208, 764109, 849010, 1018812, 1036080, 1273515, 1358416, 1528218, 1698020, 2037624, 2547030, 3056436, 3396040, 3820545, 4075248, 5094060, 6112872, 6792080, 7641090, 10188120, 12225744, 15282180, 20376240, 30564360, 61128720]

約数ペア:
[(1, 61128720), (2, 30564360), (3, 20376240), (4, 15282180), (5, 12225744), (6, 10188120), (8, 7641090), (9, 6792080), (10, 6112872), (12, 5094060), (15, 4075248), (16, 3820545), (18, 3396040), (20, 3056436), (24, 2547030), (30, 2037624), (36, 1698020), (40, 1528218), (45, 1358416), (48, 1273515), (59, 1036080), (60, 1018812), (72, 849010), (80, 764109), (90, 679208), (118, 518040), (120, 509406), (144, 424505), (177, 345360), (180, 339604), (236, 259020), (240, 254703), (295, 207216), (354, 172680), (360, 169802), (472, 129510), (531, 115120), (590, 103608), (708, 86340), (720, 84901), (885, 69072), (944, 64755), (1062, 57560), (1180, 51804), (1416, 43170), (1439, 42480), (1770, 34536), (2124, 28780), (2360, 25902), (2655, 23024), (2832, 21585), (2878, 21240), (3540, 17268), (4248, 14390), (4317, 14160), (4720, 12951), (5310, 11512), (5756, 10620), (7080, 8634), (7195, 8496)]

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