78550920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:165

約数の個数: 288

約数和(自身を含む): 305973720

約数和(自身を除く): 227422800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 61, 63, 70, 72, 73, 84, 90, 98, 105, 120, 122, 126, 140, 146, 147, 168, 180, 183, 196, 210, 219, 244, 245, 252, 280, 292, 294, 305, 315, 360, 365, 366, 392, 420, 427, 438, 441, 488, 490, 504, 511, 549, 584, 588, 610, 630, 657, 730, 732, 735, 840, 854, 876, 882, 915, 980, 1022, 1095, 1098, 1176, 1220, 1260, 1281, 1314, 1460, 1464, 1470, 1533, 1708, 1752, 1764, 1830, 1960, 2044, 2135, 2190, 2196, 2205, 2440, 2520, 2555, 2562, 2628, 2745, 2920, 2940, 2989, 3066, 3285, 3416, 3528, 3577, 3660, 3843, 4088, 4270, 4380, 4392, 4410, 4453, 4599, 5110, 5124, 5256, 5490, 5880, 5978, 6132, 6405, 6570, 7154, 7320, 7665, 7686, 8540, 8760, 8820, 8906, 8967, 9198, 10220, 10248, 10731, 10980, 11956, 12264, 12810, 13140, 13359, 14308, 14945, 15330, 15372, 17080, 17640, 17812, 17885, 17934, 18396, 19215, 20440, 21462, 21960, 22265, 22995, 23912, 25620, 26280, 26718, 26901, 28616, 29890, 30660, 30744, 31171, 32193, 35624, 35770, 35868, 36792, 38430, 40077, 42924, 44530, 44835, 45990, 51240, 53436, 53655, 53802, 59780, 61320, 62342, 64386, 66795, 71540, 71736, 76860, 80154, 85848, 89060, 89670, 91980, 93513, 106872, 107310, 107604, 119560, 124684, 128772, 133590, 134505, 143080, 153720, 155855, 160308, 160965, 178120, 179340, 183960, 187026, 200385, 214620, 215208, 218197, 249368, 257544, 267180, 269010, 280539, 311710, 320616, 321930, 358680, 374052, 400770, 429240, 436394, 467565, 534360, 538020, 561078, 623420, 643860, 654591, 748104, 801540, 872788, 935130, 1076040, 1090985, 1122156, 1246840, 1287720, 1309182, 1402695, 1603080, 1745576, 1870260, 1963773, 2181970, 2244312, 2618364, 2805390, 3272955, 3740520, 3927546, 4363940, 5236728, 5610780, 6545910, 7855092, 8727880, 9818865, 11221560, 13091820, 15710184, 19637730, 26183640, 39275460, 78550920]

約数ペア:

[(1, 78550920), (2, 39275460), (3, 26183640), (4, 19637730), (5, 15710184), (6, 13091820), (7, 11221560), (8, 9818865), (9, 8727880), (10, 7855092), (12, 6545910), (14, 5610780), (15, 5236728), (18, 4363940), (20, 3927546), (21, 3740520), (24, 3272955), (28, 2805390), (30, 2618364), (35, 2244312), (36, 2181970), (40, 1963773), (42, 1870260), (45, 1745576), (49, 1603080), (56, 1402695), (60, 1309182), (61, 1287720), (63, 1246840), (70, 1122156), (72, 1090985), (73, 1076040), (84, 935130), (90, 872788), (98, 801540), (105, 748104), (120, 654591), (122, 643860), (126, 623420), (140, 561078), (146, 538020), (147, 534360), (168, 467565), (180, 436394), (183, 429240), (196, 400770), (210, 374052), (219, 358680), (244, 321930), (245, 320616), (252, 311710), (280, 280539), (292, 269010), (294, 267180), (305, 257544), (315, 249368), (360, 218197), (365, 215208), (366, 214620), (392, 200385), (420, 187026), (427, 183960), (438, 179340), (441, 178120), (488, 160965), (490, 160308), (504, 155855), (511, 153720), (549, 143080), (584, 134505), (588, 133590), (610, 128772), (630, 124684), (657, 119560), (730, 107604), (732, 107310), (735, 106872), (840, 93513), (854, 91980), (876, 89670), (882, 89060), (915, 85848), (980, 80154), (1022, 76860), (1095, 71736), (1098, 71540), (1176, 66795), (1220, 64386), (1260, 62342), (1281, 61320), (1314, 59780), (1460, 53802), (1464, 53655), (1470, 53436), (1533, 51240), (1708, 45990), (1752, 44835), (1764, 44530), (1830, 42924), (1960, 40077), (2044, 38430), (2135, 36792), (2190, 35868), (2196, 35770), (2205, 35624), (2440, 32193), (2520, 31171), (2555, 30744), (2562, 30660), (2628, 29890), (2745, 28616), (2920, 26901), (2940, 26718), (2989, 26280), (3066, 25620), (3285, 23912), (3416, 22995), (3528, 22265), (3577, 21960), (3660, 21462), (3843, 20440), (4088, 19215), (4270, 18396), (4380, 17934), (4392, 17885), (4410, 17812), (4453, 17640), (4599, 17080), (5110, 15372), (5124, 15330), (5256, 14945), (5490, 14308), (5880, 13359), (5978, 13140), (6132, 12810), (6405, 12264), (6570, 11956), (7154, 10980), (7320, 10731), (7665, 10248), (7686, 10220), (8540, 9198), (8760, 8967), (8820, 8906)]