20165299840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1\times {\mathrm{251}}^1$

素因数の和:583

約数の個数: 256

約数和(自身を含む): 56260915200

約数和(自身を除く): 36095615360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 128, 140, 158, 160, 224, 227, 251, 280, 316, 320, 395, 448, 454, 502, 553, 560, 632, 640, 790, 896, 908, 1004, 1106, 1120, 1135, 1255, 1264, 1580, 1589, 1757, 1816, 2008, 2212, 2240, 2270, 2510, 2528, 2765, 3160, 3178, 3514, 3632, 4016, 4424, 4480, 4540, 5020, 5056, 5530, 6320, 6356, 7028, 7264, 7945, 8032, 8785, 8848, 9080, 10040, 10112, 11060, 12640, 12712, 14056, 14528, 15890, 16064, 17570, 17696, 17933, 18160, 19829, 20080, 22120, 25280, 25424, 28112, 29056, 31780, 32128, 35140, 35392, 35866, 36320, 39658, 40160, 44240, 50560, 50848, 56224, 56977, 63560, 70280, 70784, 71732, 72640, 79316, 80320, 88480, 89665, 99145, 101696, 112448, 113954, 125531, 127120, 138803, 140560, 143464, 145280, 158632, 160640, 176960, 179330, 198290, 203392, 224896, 227908, 251062, 254240, 277606, 281120, 284885, 286928, 317264, 353920, 358660, 396580, 398839, 455816, 502124, 508480, 555212, 562240, 569770, 573856, 627655, 634528, 694015, 717320, 793160, 797678, 911632, 1004248, 1016960, 1110424, 1124480, 1139540, 1147712, 1255310, 1269056, 1388030, 1434640, 1586320, 1595356, 1823264, 1994195, 2008496, 2220848, 2279080, 2295424, 2510620, 2538112, 2776060, 2869280, 3172640, 3190712, 3646528, 3988390, 4016992, 4441696, 4501183, 4558160, 5021240, 5552120, 5738560, 6345280, 6381424, 7293056, 7976780, 8033984, 8883392, 9002366, 9116320, 10042480, 11104240, 11477120, 12690560, 12762848, 15953560, 16067968, 17766784, 18004732, 18232640, 20084960, 22208480, 22505915, 25525696, 31508281, 31907120, 36009464, 36465280, 40169920, 44416960, 45011830, 51051392, 63016562, 63814240, 72018928, 80339840, 88833920, 90023660, 126033124, 127628480, 144037856, 157541405, 180047320, 252066248, 255256960, 288075712, 315082810, 360094640, 504132496, 576151424, 630165620, 720189280, 1008264992, 1260331240, 1440378560, 2016529984, 2520662480, 2880757120, 4033059968, 5041324960, 10082649920, 20165299840]

約数ペア:

[(1, 20165299840), (2, 10082649920), (4, 5041324960), (5, 4033059968), (7, 2880757120), (8, 2520662480), (10, 2016529984), (14, 1440378560), (16, 1260331240), (20, 1008264992), (28, 720189280), (32, 630165620), (35, 576151424), (40, 504132496), (56, 360094640), (64, 315082810), (70, 288075712), (79, 255256960), (80, 252066248), (112, 180047320), (128, 157541405), (140, 144037856), (158, 127628480), (160, 126033124), (224, 90023660), (227, 88833920), (251, 80339840), (280, 72018928), (316, 63814240), (320, 63016562), (395, 51051392), (448, 45011830), (454, 44416960), (502, 40169920), (553, 36465280), (560, 36009464), (632, 31907120), (640, 31508281), (790, 25525696), (896, 22505915), (908, 22208480), (1004, 20084960), (1106, 18232640), (1120, 18004732), (1135, 17766784), (1255, 16067968), (1264, 15953560), (1580, 12762848), (1589, 12690560), (1757, 11477120), (1816, 11104240), (2008, 10042480), (2212, 9116320), (2240, 9002366), (2270, 8883392), (2510, 8033984), (2528, 7976780), (2765, 7293056), (3160, 6381424), (3178, 6345280), (3514, 5738560), (3632, 5552120), (4016, 5021240), (4424, 4558160), (4480, 4501183), (4540, 4441696), (5020, 4016992), (5056, 3988390), (5530, 3646528), (6320, 3190712), (6356, 3172640), (7028, 2869280), (7264, 2776060), (7945, 2538112), (8032, 2510620), (8785, 2295424), (8848, 2279080), (9080, 2220848), (10040, 2008496), (10112, 1994195), (11060, 1823264), (12640, 1595356), (12712, 1586320), (14056, 1434640), (14528, 1388030), (15890, 1269056), (16064, 1255310), (17570, 1147712), (17696, 1139540), (17933, 1124480), (18160, 1110424), (19829, 1016960), (20080, 1004248), (22120, 911632), (25280, 797678), (25424, 793160), (28112, 717320), (29056, 694015), (31780, 634528), (32128, 627655), (35140, 573856), (35392, 569770), (35866, 562240), (36320, 555212), (39658, 508480), (40160, 502124), (44240, 455816), (50560, 398839), (50848, 396580), (56224, 358660), (56977, 353920), (63560, 317264), (70280, 286928), (70784, 284885), (71732, 281120), (72640, 277606), (79316, 254240), (80320, 251062), (88480, 227908), (89665, 224896), (99145, 203392), (101696, 198290), (112448, 179330), (113954, 176960), (125531, 160640), (127120, 158632), (138803, 145280), (140560, 143464)]