20288180400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{19867}}^1$

素因数の和:19948

約数の個数: 240

約数和(自身を含む): 69651803904

約数和(自身を除く): 49363623504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 37, 40, 46, 48, 50, 60, 69, 74, 75, 80, 92, 100, 111, 115, 120, 138, 148, 150, 184, 185, 200, 222, 230, 240, 276, 296, 300, 345, 368, 370, 400, 444, 460, 552, 555, 575, 592, 600, 690, 740, 851, 888, 920, 925, 1104, 1110, 1150, 1200, 1380, 1480, 1702, 1725, 1776, 1840, 1850, 2220, 2300, 2553, 2760, 2775, 2960, 3404, 3450, 3700, 4255, 4440, 4600, 5106, 5520, 5550, 6808, 6900, 7400, 8510, 8880, 9200, 10212, 11100, 12765, 13616, 13800, 14800, 17020, 19867, 20424, 21275, 22200, 25530, 27600, 34040, 39734, 40848, 42550, 44400, 51060, 59601, 63825, 68080, 79468, 85100, 99335, 102120, 119202, 127650, 158936, 170200, 198670, 204240, 238404, 255300, 298005, 317872, 340400, 397340, 456941, 476808, 496675, 510600, 596010, 735079, 794680, 913882, 953616, 993350, 1021200, 1192020, 1370823, 1470158, 1490025, 1589360, 1827764, 1986700, 2205237, 2284705, 2384040, 2741646, 2940316, 2980050, 3655528, 3675395, 3973400, 4410474, 4569410, 4768080, 5483292, 5880632, 5960100, 6854115, 7311056, 7350790, 7946800, 8820948, 9138820, 10966584, 11026185, 11423525, 11761264, 11920200, 13708230, 14701580, 16906817, 17641896, 18277640, 18376975, 21933168, 22052370, 22847050, 23840400, 27416460, 29403160, 33813634, 34270575, 35283792, 36555280, 36753950, 44104740, 45694100, 50720451, 54832920, 55130925, 58806320, 67627268, 68541150, 73507900, 84534085, 88209480, 91388200, 101440902, 109665840, 110261850, 135254536, 137082300, 147015800, 169068170, 176418960, 182776400, 202881804, 220523700, 253602255, 270509072, 274164600, 294031600, 338136340, 405763608, 422670425, 441047400, 507204510, 548329200, 676272680, 811527216, 845340850, 882094800, 1014409020, 1268011275, 1352545360, 1690681700, 2028818040, 2536022550, 3381363400, 4057636080, 5072045100, 6762726800, 10144090200, 20288180400]

約数ペア:

[(1, 20288180400), (2, 10144090200), (3, 6762726800), (4, 5072045100), (5, 4057636080), (6, 3381363400), (8, 2536022550), (10, 2028818040), (12, 1690681700), (15, 1352545360), (16, 1268011275), (20, 1014409020), (23, 882094800), (24, 845340850), (25, 811527216), (30, 676272680), (37, 548329200), (40, 507204510), (46, 441047400), (48, 422670425), (50, 405763608), (60, 338136340), (69, 294031600), (74, 274164600), (75, 270509072), (80, 253602255), (92, 220523700), (100, 202881804), (111, 182776400), (115, 176418960), (120, 169068170), (138, 147015800), (148, 137082300), (150, 135254536), (184, 110261850), (185, 109665840), (200, 101440902), (222, 91388200), (230, 88209480), (240, 84534085), (276, 73507900), (296, 68541150), (300, 67627268), (345, 58806320), (368, 55130925), (370, 54832920), (400, 50720451), (444, 45694100), (460, 44104740), (552, 36753950), (555, 36555280), (575, 35283792), (592, 34270575), (600, 33813634), (690, 29403160), (740, 27416460), (851, 23840400), (888, 22847050), (920, 22052370), (925, 21933168), (1104, 18376975), (1110, 18277640), (1150, 17641896), (1200, 16906817), (1380, 14701580), (1480, 13708230), (1702, 11920200), (1725, 11761264), (1776, 11423525), (1840, 11026185), (1850, 10966584), (2220, 9138820), (2300, 8820948), (2553, 7946800), (2760, 7350790), (2775, 7311056), (2960, 6854115), (3404, 5960100), (3450, 5880632), (3700, 5483292), (4255, 4768080), (4440, 4569410), (4600, 4410474), (5106, 3973400), (5520, 3675395), (5550, 3655528), (6808, 2980050), (6900, 2940316), (7400, 2741646), (8510, 2384040), (8880, 2284705), (9200, 2205237), (10212, 1986700), (11100, 1827764), (12765, 1589360), (13616, 1490025), (13800, 1470158), (14800, 1370823), (17020, 1192020), (19867, 1021200), (20424, 993350), (21275, 953616), (22200, 913882), (25530, 794680), (27600, 735079), (34040, 596010), (39734, 510600), (40848, 496675), (42550, 476808), (44400, 456941), (51060, 397340), (59601, 340400), (63825, 317872), (68080, 298005), (79468, 255300), (85100, 238404), (99335, 204240), (102120, 198670), (119202, 170200), (127650, 158936)]