208471320

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{37}}^2\times {\mathrm{47}}^1$

素因数の和:144

約数の個数: 240

約数和(自身を含む): 735467040

約数和(自身を除く): 526995720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 47, 54, 60, 72, 74, 81, 90, 94, 108, 111, 120, 135, 141, 148, 162, 180, 185, 188, 216, 222, 235, 270, 282, 296, 324, 333, 360, 370, 376, 405, 423, 444, 470, 540, 555, 564, 648, 666, 705, 740, 810, 846, 888, 940, 999, 1080, 1110, 1128, 1269, 1332, 1369, 1410, 1480, 1620, 1665, 1692, 1739, 1880, 1998, 2115, 2220, 2538, 2664, 2738, 2820, 2997, 3240, 3330, 3384, 3478, 3807, 3996, 4107, 4230, 4440, 4995, 5076, 5217, 5476, 5640, 5994, 6345, 6660, 6845, 6956, 7614, 7992, 8214, 8460, 8695, 9990, 10152, 10434, 10952, 11988, 12321, 12690, 13320, 13690, 13912, 14985, 15228, 15651, 16428, 16920, 17390, 19035, 19980, 20535, 20868, 23976, 24642, 25380, 26085, 27380, 29970, 30456, 31302, 32856, 34780, 36963, 38070, 39960, 41070, 41736, 46953, 49284, 50760, 52170, 54760, 59940, 61605, 62604, 64343, 69560, 73926, 76140, 78255, 82140, 93906, 98568, 104340, 110889, 119880, 123210, 125208, 128686, 140859, 147852, 152280, 156510, 164280, 184815, 187812, 193029, 208680, 221778, 234765, 246420, 257372, 281718, 295704, 313020, 321715, 369630, 375624, 386058, 443556, 469530, 492840, 514744, 554445, 563436, 579087, 626040, 643430, 704295, 739260, 772116, 887112, 939060, 965145, 1108890, 1126872, 1158174, 1286860, 1408590, 1478520, 1544232, 1737261, 1878120, 1930290, 2217780, 2316348, 2573720, 2817180, 2895435, 3474522, 3860580, 4435560, 4632696, 5211783, 5634360, 5790870, 6949044, 7721160, 8686305, 10423566, 11581740, 13898088, 17372610, 20847132, 23163480, 26058915, 34745220, 41694264, 52117830, 69490440, 104235660, 208471320]

約数ペア:

[(1, 208471320), (2, 104235660), (3, 69490440), (4, 52117830), (5, 41694264), (6, 34745220), (8, 26058915), (9, 23163480), (10, 20847132), (12, 17372610), (15, 13898088), (18, 11581740), (20, 10423566), (24, 8686305), (27, 7721160), (30, 6949044), (36, 5790870), (37, 5634360), (40, 5211783), (45, 4632696), (47, 4435560), (54, 3860580), (60, 3474522), (72, 2895435), (74, 2817180), (81, 2573720), (90, 2316348), (94, 2217780), (108, 1930290), (111, 1878120), (120, 1737261), (135, 1544232), (141, 1478520), (148, 1408590), (162, 1286860), (180, 1158174), (185, 1126872), (188, 1108890), (216, 965145), (222, 939060), (235, 887112), (270, 772116), (282, 739260), (296, 704295), (324, 643430), (333, 626040), (360, 579087), (370, 563436), (376, 554445), (405, 514744), (423, 492840), (444, 469530), (470, 443556), (540, 386058), (555, 375624), (564, 369630), (648, 321715), (666, 313020), (705, 295704), (740, 281718), (810, 257372), (846, 246420), (888, 234765), (940, 221778), (999, 208680), (1080, 193029), (1110, 187812), (1128, 184815), (1269, 164280), (1332, 156510), (1369, 152280), (1410, 147852), (1480, 140859), (1620, 128686), (1665, 125208), (1692, 123210), (1739, 119880), (1880, 110889), (1998, 104340), (2115, 98568), (2220, 93906), (2538, 82140), (2664, 78255), (2738, 76140), (2820, 73926), (2997, 69560), (3240, 64343), (3330, 62604), (3384, 61605), (3478, 59940), (3807, 54760), (3996, 52170), (4107, 50760), (4230, 49284), (4440, 46953), (4995, 41736), (5076, 41070), (5217, 39960), (5476, 38070), (5640, 36963), (5994, 34780), (6345, 32856), (6660, 31302), (6845, 30456), (6956, 29970), (7614, 27380), (7992, 26085), (8214, 25380), (8460, 24642), (8695, 23976), (9990, 20868), (10152, 20535), (10434, 19980), (10952, 19035), (11988, 17390), (12321, 16920), (12690, 16428), (13320, 15651), (13690, 15228), (13912, 14985)]