About the Number

12979128720

12979128719 ← → 12979128721

2進数表記:1100000101100111011100100110010000

漢数字表記:百二十九億七千九百十二万八千七百二十

素因数分解:

2 4 × 3 1 × 5 1 × 17 2 × 187127 1

素因数の和:187177
約数の個数: 120
約数和(自身を含む): 42741532224
約数和(自身を除く): 29762403504

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 289, 340, 408, 510, 578, 680, 816, 867, 1020, 1156, 1360, 1445, 1734, 2040, 2312, 2890, 3468, 4080, 4335, 4624, 5780, 6936, 8670, 11560, 13872, 17340, 23120, 34680, 69360, 187127, 374254, 561381, 748508, 935635, 1122762, 1497016, 1871270, 2245524, 2806905, 2994032, 3181159, 3742540, 4491048, 5613810, 6362318, 7485080, 8982096, 9543477, 11227620, 12724636, 14970160, 15905795, 19086954, 22455240, 25449272, 31811590, 38173908, 44910480, 47717385, 50898544, 54079703, 63623180, 76347816, 95434770, 108159406, 127246360, 152695632, 162239109, 190869540, 216318812, 254492720, 270398515, 324478218, 381739080, 432637624, 540797030, 648956436, 763478160, 811195545, 865275248, 1081594060, 1297912872, 1622391090, 2163188120, 2595825744, 3244782180, 4326376240, 6489564360, 12979128720]

約数ペア:
[(1, 12979128720), (2, 6489564360), (3, 4326376240), (4, 3244782180), (5, 2595825744), (6, 2163188120), (8, 1622391090), (10, 1297912872), (12, 1081594060), (15, 865275248), (16, 811195545), (17, 763478160), (20, 648956436), (24, 540797030), (30, 432637624), (34, 381739080), (40, 324478218), (48, 270398515), (51, 254492720), (60, 216318812), (68, 190869540), (80, 162239109), (85, 152695632), (102, 127246360), (120, 108159406), (136, 95434770), (170, 76347816), (204, 63623180), (240, 54079703), (255, 50898544), (272, 47717385), (289, 44910480), (340, 38173908), (408, 31811590), (510, 25449272), (578, 22455240), (680, 19086954), (816, 15905795), (867, 14970160), (1020, 12724636), (1156, 11227620), (1360, 9543477), (1445, 8982096), (1734, 7485080), (2040, 6362318), (2312, 5613810), (2890, 4491048), (3468, 3742540), (4080, 3181159), (4335, 2994032), (4624, 2806905), (5780, 2245524), (6936, 1871270), (8670, 1497016), (11560, 1122762), (13872, 935635), (17340, 748508), (23120, 561381), (34680, 374254), (69360, 187127)]

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