20000160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 288

約数和(自身を含む): 77837760

約数和(自身を除く): 57837600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 30, 32, 34, 36, 38, 40, 43, 45, 48, 51, 57, 60, 68, 72, 76, 80, 85, 86, 90, 95, 96, 102, 114, 120, 129, 136, 144, 152, 153, 160, 170, 171, 172, 180, 190, 204, 215, 228, 240, 255, 258, 272, 285, 288, 304, 306, 323, 340, 342, 344, 360, 380, 387, 408, 430, 456, 480, 510, 516, 544, 570, 608, 612, 645, 646, 680, 684, 688, 720, 731, 760, 765, 774, 816, 817, 855, 860, 912, 969, 1020, 1032, 1140, 1224, 1290, 1292, 1360, 1368, 1376, 1440, 1462, 1520, 1530, 1548, 1615, 1632, 1634, 1710, 1720, 1824, 1935, 1938, 2040, 2064, 2193, 2280, 2448, 2451, 2580, 2584, 2720, 2736, 2907, 2924, 3040, 3060, 3096, 3230, 3268, 3420, 3440, 3655, 3870, 3876, 4080, 4085, 4128, 4386, 4560, 4845, 4896, 4902, 5160, 5168, 5472, 5814, 5848, 6120, 6192, 6460, 6536, 6579, 6840, 6880, 7310, 7353, 7740, 7752, 8160, 8170, 8772, 9120, 9690, 9804, 10320, 10336, 10965, 11628, 11696, 12240, 12255, 12384, 12920, 13072, 13158, 13680, 13889, 14535, 14620, 14706, 15480, 15504, 16340, 17544, 19380, 19608, 20640, 21930, 23256, 23392, 24480, 24510, 25840, 26144, 26316, 27360, 27778, 29070, 29240, 29412, 30960, 31008, 32680, 32895, 35088, 36765, 38760, 39216, 41667, 43860, 46512, 49020, 51680, 52632, 55556, 58140, 58480, 58824, 61920, 65360, 65790, 69445, 70176, 73530, 77520, 78432, 83334, 87720, 93024, 98040, 105264, 111112, 116280, 116960, 117648, 125001, 130720, 131580, 138890, 147060, 155040, 166668, 175440, 196080, 208335, 210528, 222224, 232560, 235296, 250002, 263160, 277780, 294120, 333336, 350880, 392160, 416670, 444448, 465120, 500004, 526320, 555560, 588240, 625005, 666672, 833340, 1000008, 1052640, 1111120, 1176480, 1250010, 1333344, 1666680, 2000016, 2222240, 2500020, 3333360, 4000032, 5000040, 6666720, 10000080, 20000160]

約数ペア:

[(1, 20000160), (2, 10000080), (3, 6666720), (4, 5000040), (5, 4000032), (6, 3333360), (8, 2500020), (9, 2222240), (10, 2000016), (12, 1666680), (15, 1333344), (16, 1250010), (17, 1176480), (18, 1111120), (19, 1052640), (20, 1000008), (24, 833340), (30, 666672), (32, 625005), (34, 588240), (36, 555560), (38, 526320), (40, 500004), (43, 465120), (45, 444448), (48, 416670), (51, 392160), (57, 350880), (60, 333336), (68, 294120), (72, 277780), (76, 263160), (80, 250002), (85, 235296), (86, 232560), (90, 222224), (95, 210528), (96, 208335), (102, 196080), (114, 175440), (120, 166668), (129, 155040), (136, 147060), (144, 138890), (152, 131580), (153, 130720), (160, 125001), (170, 117648), (171, 116960), (172, 116280), (180, 111112), (190, 105264), (204, 98040), (215, 93024), (228, 87720), (240, 83334), (255, 78432), (258, 77520), (272, 73530), (285, 70176), (288, 69445), (304, 65790), (306, 65360), (323, 61920), (340, 58824), (342, 58480), (344, 58140), (360, 55556), (380, 52632), (387, 51680), (408, 49020), (430, 46512), (456, 43860), (480, 41667), (510, 39216), (516, 38760), (544, 36765), (570, 35088), (608, 32895), (612, 32680), (645, 31008), (646, 30960), (680, 29412), (684, 29240), (688, 29070), (720, 27778), (731, 27360), (760, 26316), (765, 26144), (774, 25840), (816, 24510), (817, 24480), (855, 23392), (860, 23256), (912, 21930), (969, 20640), (1020, 19608), (1032, 19380), (1140, 17544), (1224, 16340), (1290, 15504), (1292, 15480), (1360, 14706), (1368, 14620), (1376, 14535), (1440, 13889), (1462, 13680), (1520, 13158), (1530, 13072), (1548, 12920), (1615, 12384), (1632, 12255), (1634, 12240), (1710, 11696), (1720, 11628), (1824, 10965), (1935, 10336), (1938, 10320), (2040, 9804), (2064, 9690), (2193, 9120), (2280, 8772), (2448, 8170), (2451, 8160), (2580, 7752), (2584, 7740), (2720, 7353), (2736, 7310), (2907, 6880), (2924, 6840), (3040, 6579), (3060, 6536), (3096, 6460), (3230, 6192), (3268, 6120), (3420, 5848), (3440, 5814), (3655, 5472), (3870, 5168), (3876, 5160), (4080, 4902), (4085, 4896), (4128, 4845), (4386, 4560)]