1640596160

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:303

約数の個数: 224

約数和(自身を含む): 4619304960

約数和(自身を除く): 2978708800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 79, 80, 112, 127, 140, 146, 158, 160, 224, 254, 280, 292, 316, 320, 365, 395, 448, 508, 511, 553, 560, 584, 632, 635, 730, 790, 889, 1016, 1022, 1106, 1120, 1168, 1264, 1270, 1460, 1580, 1778, 2032, 2044, 2212, 2240, 2336, 2528, 2540, 2555, 2765, 2920, 3160, 3556, 4064, 4088, 4424, 4445, 4672, 5056, 5080, 5110, 5530, 5767, 5840, 6320, 7112, 8128, 8176, 8848, 8890, 9271, 10033, 10160, 10220, 11060, 11534, 11680, 12640, 14224, 16352, 17696, 17780, 18542, 20066, 20320, 20440, 22120, 23068, 23360, 25280, 28448, 28835, 32704, 35392, 35560, 37084, 40132, 40369, 40640, 40880, 44240, 46136, 46355, 50165, 56896, 57670, 64897, 70231, 71120, 74168, 80264, 80738, 81760, 88480, 92272, 92710, 100330, 115340, 129794, 140462, 142240, 148336, 160528, 161476, 163520, 176960, 184544, 185420, 200660, 201845, 230680, 259588, 280924, 284480, 296672, 321056, 322952, 324485, 351155, 369088, 370840, 401320, 403690, 461360, 519176, 561848, 593344, 642112, 645904, 648970, 702310, 732409, 741680, 802640, 807380, 922720, 1038352, 1123696, 1291808, 1297940, 1404620, 1464818, 1483360, 1605280, 1614760, 1845440, 2076704, 2247392, 2583616, 2595880, 2809240, 2929636, 2966720, 3210560, 3229520, 3662045, 4153408, 4494784, 5126863, 5191760, 5618480, 5859272, 6459040, 7324090, 10253726, 10383520, 11236960, 11718544, 12918080, 14648180, 20507452, 20767040, 22473920, 23437088, 25634315, 29296360, 41014904, 46874176, 51268630, 58592720, 82029808, 102537260, 117185440, 164059616, 205074520, 234370880, 328119232, 410149040, 820298080, 1640596160]

約数ペア:

[(1, 1640596160), (2, 820298080), (4, 410149040), (5, 328119232), (7, 234370880), (8, 205074520), (10, 164059616), (14, 117185440), (16, 102537260), (20, 82029808), (28, 58592720), (32, 51268630), (35, 46874176), (40, 41014904), (56, 29296360), (64, 25634315), (70, 23437088), (73, 22473920), (79, 20767040), (80, 20507452), (112, 14648180), (127, 12918080), (140, 11718544), (146, 11236960), (158, 10383520), (160, 10253726), (224, 7324090), (254, 6459040), (280, 5859272), (292, 5618480), (316, 5191760), (320, 5126863), (365, 4494784), (395, 4153408), (448, 3662045), (508, 3229520), (511, 3210560), (553, 2966720), (560, 2929636), (584, 2809240), (632, 2595880), (635, 2583616), (730, 2247392), (790, 2076704), (889, 1845440), (1016, 1614760), (1022, 1605280), (1106, 1483360), (1120, 1464818), (1168, 1404620), (1264, 1297940), (1270, 1291808), (1460, 1123696), (1580, 1038352), (1778, 922720), (2032, 807380), (2044, 802640), (2212, 741680), (2240, 732409), (2336, 702310), (2528, 648970), (2540, 645904), (2555, 642112), (2765, 593344), (2920, 561848), (3160, 519176), (3556, 461360), (4064, 403690), (4088, 401320), (4424, 370840), (4445, 369088), (4672, 351155), (5056, 324485), (5080, 322952), (5110, 321056), (5530, 296672), (5767, 284480), (5840, 280924), (6320, 259588), (7112, 230680), (8128, 201845), (8176, 200660), (8848, 185420), (8890, 184544), (9271, 176960), (10033, 163520), (10160, 161476), (10220, 160528), (11060, 148336), (11534, 142240), (11680, 140462), (12640, 129794), (14224, 115340), (16352, 100330), (17696, 92710), (17780, 92272), (18542, 88480), (20066, 81760), (20320, 80738), (20440, 80264), (22120, 74168), (23068, 71120), (23360, 70231), (25280, 64897), (28448, 57670), (28835, 56896), (32704, 50165), (35392, 46355), (35560, 46136), (37084, 44240), (40132, 40880), (40369, 40640)]