1551144800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:230

約数の個数: 216

約数和(自身を含む): 4125251592

約数和(自身を除く): 2574106792

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 41, 50, 76, 80, 82, 95, 100, 131, 152, 160, 164, 190, 200, 205, 262, 304, 328, 361, 380, 400, 410, 475, 524, 608, 655, 656, 722, 760, 779, 800, 820, 950, 1025, 1048, 1310, 1312, 1444, 1520, 1558, 1640, 1805, 1900, 2050, 2096, 2489, 2620, 2888, 3040, 3116, 3275, 3280, 3610, 3800, 3895, 4100, 4192, 4978, 5240, 5371, 5776, 6232, 6550, 6560, 7220, 7600, 7790, 8200, 9025, 9956, 10480, 10742, 11552, 12445, 12464, 13100, 14440, 14801, 15200, 15580, 16400, 18050, 19475, 19912, 20960, 21484, 24890, 24928, 26200, 26855, 28880, 29602, 31160, 32800, 36100, 38950, 39824, 42968, 47291, 49780, 52400, 53710, 57760, 59204, 62225, 62320, 72200, 74005, 77900, 79648, 85936, 94582, 99560, 102049, 104800, 107420, 118408, 124450, 124640, 134275, 144400, 148010, 155800, 171872, 189164, 199120, 204098, 214840, 236455, 236816, 248900, 268550, 288800, 296020, 311600, 370025, 378328, 398240, 408196, 429680, 472910, 473632, 497800, 510245, 537100, 592040, 623200, 740050, 756656, 816392, 859360, 945820, 995600, 1020490, 1074200, 1182275, 1184080, 1480100, 1513312, 1632784, 1891640, 1938931, 1991200, 2040980, 2148400, 2364550, 2368160, 2551225, 2960200, 3265568, 3783280, 3877862, 4081960, 4296800, 4729100, 5102450, 5920400, 7566560, 7755724, 8163920, 9458200, 9694655, 10204900, 11840800, 15511448, 16327840, 18916400, 19389310, 20409800, 31022896, 37832800, 38778620, 40819600, 48473275, 62045792, 77557240, 81639200, 96946550, 155114480, 193893100, 310228960, 387786200, 775572400, 1551144800]

約数ペア:

[(1, 1551144800), (2, 775572400), (4, 387786200), (5, 310228960), (8, 193893100), (10, 155114480), (16, 96946550), (19, 81639200), (20, 77557240), (25, 62045792), (32, 48473275), (38, 40819600), (40, 38778620), (41, 37832800), (50, 31022896), (76, 20409800), (80, 19389310), (82, 18916400), (95, 16327840), (100, 15511448), (131, 11840800), (152, 10204900), (160, 9694655), (164, 9458200), (190, 8163920), (200, 7755724), (205, 7566560), (262, 5920400), (304, 5102450), (328, 4729100), (361, 4296800), (380, 4081960), (400, 3877862), (410, 3783280), (475, 3265568), (524, 2960200), (608, 2551225), (655, 2368160), (656, 2364550), (722, 2148400), (760, 2040980), (779, 1991200), (800, 1938931), (820, 1891640), (950, 1632784), (1025, 1513312), (1048, 1480100), (1310, 1184080), (1312, 1182275), (1444, 1074200), (1520, 1020490), (1558, 995600), (1640, 945820), (1805, 859360), (1900, 816392), (2050, 756656), (2096, 740050), (2489, 623200), (2620, 592040), (2888, 537100), (3040, 510245), (3116, 497800), (3275, 473632), (3280, 472910), (3610, 429680), (3800, 408196), (3895, 398240), (4100, 378328), (4192, 370025), (4978, 311600), (5240, 296020), (5371, 288800), (5776, 268550), (6232, 248900), (6550, 236816), (6560, 236455), (7220, 214840), (7600, 204098), (7790, 199120), (8200, 189164), (9025, 171872), (9956, 155800), (10480, 148010), (10742, 144400), (11552, 134275), (12445, 124640), (12464, 124450), (13100, 118408), (14440, 107420), (14801, 104800), (15200, 102049), (15580, 99560), (16400, 94582), (18050, 85936), (19475, 79648), (19912, 77900), (20960, 74005), (21484, 72200), (24890, 62320), (24928, 62225), (26200, 59204), (26855, 57760), (28880, 53710), (29602, 52400), (31160, 49780), (32800, 47291), (36100, 42968), (38950, 39824)]