121781520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:430

約数の個数: 240

約数和(自身を含む): 475243392

約数和(自身を除く): 353461872

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 73, 80, 84, 90, 105, 112, 120, 126, 140, 144, 146, 168, 180, 210, 219, 240, 252, 280, 292, 315, 331, 336, 360, 365, 420, 438, 504, 511, 560, 584, 630, 657, 662, 720, 730, 840, 876, 993, 1008, 1022, 1095, 1168, 1260, 1314, 1324, 1460, 1533, 1655, 1680, 1752, 1986, 2044, 2190, 2317, 2520, 2555, 2628, 2648, 2920, 2979, 3066, 3285, 3310, 3504, 3972, 4088, 4380, 4599, 4634, 4965, 5040, 5110, 5256, 5296, 5840, 5958, 6132, 6570, 6620, 6951, 7665, 7944, 8176, 8760, 9198, 9268, 9930, 10220, 10512, 11585, 11916, 12264, 13140, 13240, 13902, 14895, 15330, 15888, 17520, 18396, 18536, 19860, 20440, 20853, 22995, 23170, 23832, 24163, 24528, 26280, 26480, 27804, 29790, 30660, 34755, 36792, 37072, 39720, 40880, 41706, 45990, 46340, 47664, 48326, 52560, 55608, 59580, 61320, 69510, 72489, 73584, 79440, 83412, 91980, 92680, 96652, 104265, 111216, 119160, 120815, 122640, 139020, 144978, 166824, 169141, 183960, 185360, 193304, 208530, 217467, 238320, 241630, 278040, 289956, 333648, 338282, 362445, 367920, 386608, 417060, 434934, 483260, 507423, 556080, 579912, 676564, 724890, 834120, 845705, 869868, 966520, 1014846, 1087335, 1159824, 1353128, 1449780, 1522269, 1668240, 1691410, 1739736, 1933040, 2029692, 2174670, 2537115, 2706256, 2899560, 3044538, 3382820, 3479472, 4059384, 4349340, 5074230, 5799120, 6089076, 6765640, 7611345, 8118768, 8698680, 10148460, 12178152, 13531280, 15222690, 17397360, 20296920, 24356304, 30445380, 40593840, 60890760, 121781520]

約数ペア:

[(1, 121781520), (2, 60890760), (3, 40593840), (4, 30445380), (5, 24356304), (6, 20296920), (7, 17397360), (8, 15222690), (9, 13531280), (10, 12178152), (12, 10148460), (14, 8698680), (15, 8118768), (16, 7611345), (18, 6765640), (20, 6089076), (21, 5799120), (24, 5074230), (28, 4349340), (30, 4059384), (35, 3479472), (36, 3382820), (40, 3044538), (42, 2899560), (45, 2706256), (48, 2537115), (56, 2174670), (60, 2029692), (63, 1933040), (70, 1739736), (72, 1691410), (73, 1668240), (80, 1522269), (84, 1449780), (90, 1353128), (105, 1159824), (112, 1087335), (120, 1014846), (126, 966520), (140, 869868), (144, 845705), (146, 834120), (168, 724890), (180, 676564), (210, 579912), (219, 556080), (240, 507423), (252, 483260), (280, 434934), (292, 417060), (315, 386608), (331, 367920), (336, 362445), (360, 338282), (365, 333648), (420, 289956), (438, 278040), (504, 241630), (511, 238320), (560, 217467), (584, 208530), (630, 193304), (657, 185360), (662, 183960), (720, 169141), (730, 166824), (840, 144978), (876, 139020), (993, 122640), (1008, 120815), (1022, 119160), (1095, 111216), (1168, 104265), (1260, 96652), (1314, 92680), (1324, 91980), (1460, 83412), (1533, 79440), (1655, 73584), (1680, 72489), (1752, 69510), (1986, 61320), (2044, 59580), (2190, 55608), (2317, 52560), (2520, 48326), (2555, 47664), (2628, 46340), (2648, 45990), (2920, 41706), (2979, 40880), (3066, 39720), (3285, 37072), (3310, 36792), (3504, 34755), (3972, 30660), (4088, 29790), (4380, 27804), (4599, 26480), (4634, 26280), (4965, 24528), (5040, 24163), (5110, 23832), (5256, 23170), (5296, 22995), (5840, 20853), (5958, 20440), (6132, 19860), (6570, 18536), (6620, 18396), (6951, 17520), (7665, 15888), (7944, 15330), (8176, 14895), (8760, 13902), (9198, 13240), (9268, 13140), (9930, 12264), (10220, 11916), (10512, 11585)]