About the Number

72970128

72970127 ← → 72970129

2進数表記:100010110010110111110010000

漢数字表記:七千二百九十七万百二十八

素因数分解:

2 4 × 3 2 × 7 1 × 11 1 × 6581 1

素因数の和:6613
約数の個数: 120
約数和(自身を含む): 254644416
約数和(自身を除く): 181674288

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 33, 36, 42, 44, 48, 56, 63, 66, 72, 77, 84, 88, 99, 112, 126, 132, 144, 154, 168, 176, 198, 231, 252, 264, 308, 336, 396, 462, 504, 528, 616, 693, 792, 924, 1008, 1232, 1386, 1584, 1848, 2772, 3696, 5544, 6581, 11088, 13162, 19743, 26324, 39486, 46067, 52648, 59229, 72391, 78972, 92134, 105296, 118458, 138201, 144782, 157944, 184268, 217173, 236916, 276402, 289564, 315888, 368536, 414603, 434346, 473832, 506737, 552804, 579128, 651519, 737072, 829206, 868692, 947664, 1013474, 1105608, 1158256, 1303038, 1520211, 1658412, 1737384, 2026948, 2211216, 2606076, 3040422, 3316824, 3474768, 4053896, 4560633, 5212152, 6080844, 6633648, 8107792, 9121266, 10424304, 12161688, 18242532, 24323376, 36485064, 72970128]

約数ペア:
[(1, 72970128), (2, 36485064), (3, 24323376), (4, 18242532), (6, 12161688), (7, 10424304), (8, 9121266), (9, 8107792), (11, 6633648), (12, 6080844), (14, 5212152), (16, 4560633), (18, 4053896), (21, 3474768), (22, 3316824), (24, 3040422), (28, 2606076), (33, 2211216), (36, 2026948), (42, 1737384), (44, 1658412), (48, 1520211), (56, 1303038), (63, 1158256), (66, 1105608), (72, 1013474), (77, 947664), (84, 868692), (88, 829206), (99, 737072), (112, 651519), (126, 579128), (132, 552804), (144, 506737), (154, 473832), (168, 434346), (176, 414603), (198, 368536), (231, 315888), (252, 289564), (264, 276402), (308, 236916), (336, 217173), (396, 184268), (462, 157944), (504, 144782), (528, 138201), (616, 118458), (693, 105296), (792, 92134), (924, 78972), (1008, 72391), (1232, 59229), (1386, 52648), (1584, 46067), (1848, 39486), (2772, 26324), (3696, 19743), (5544, 13162), (6581, 11088)]

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