78259860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{467}}^1$

素因数の和:515

約数の個数: 216

約数和(自身を含む): 291301920

約数和(自身を除く): 213042060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 49, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 114, 126, 133, 140, 147, 171, 180, 190, 196, 210, 228, 245, 252, 266, 285, 294, 315, 342, 380, 399, 420, 441, 467, 490, 532, 570, 588, 630, 665, 684, 735, 798, 855, 882, 931, 934, 980, 1140, 1197, 1260, 1330, 1401, 1470, 1596, 1710, 1764, 1862, 1868, 1995, 2205, 2335, 2394, 2660, 2793, 2802, 2940, 3269, 3420, 3724, 3990, 4203, 4410, 4655, 4670, 4788, 5586, 5604, 5985, 6538, 7005, 7980, 8379, 8406, 8820, 8873, 9310, 9340, 9807, 11172, 11970, 13076, 13965, 14010, 16345, 16758, 16812, 17746, 18620, 19614, 21015, 22883, 23940, 26619, 27930, 28020, 29421, 32690, 33516, 35492, 39228, 41895, 42030, 44365, 45766, 49035, 53238, 55860, 58842, 62111, 65380, 68649, 79857, 83790, 84060, 88730, 91532, 98070, 106476, 114415, 117684, 124222, 133095, 137298, 147105, 159714, 167580, 177460, 186333, 196140, 205947, 228830, 248444, 266190, 274596, 294210, 310555, 319428, 343245, 372666, 399285, 411894, 434777, 457660, 532380, 558999, 588420, 621110, 686490, 745332, 798570, 823788, 869554, 931665, 1029735, 1117998, 1242220, 1304331, 1372980, 1597140, 1739108, 1863330, 2059470, 2173885, 2235996, 2608662, 2794995, 3726660, 3912993, 4118940, 4347770, 5217324, 5589990, 6521655, 7825986, 8695540, 11179980, 13043310, 15651972, 19564965, 26086620, 39129930, 78259860]

約数ペア:

[(1, 78259860), (2, 39129930), (3, 26086620), (4, 19564965), (5, 15651972), (6, 13043310), (7, 11179980), (9, 8695540), (10, 7825986), (12, 6521655), (14, 5589990), (15, 5217324), (18, 4347770), (19, 4118940), (20, 3912993), (21, 3726660), (28, 2794995), (30, 2608662), (35, 2235996), (36, 2173885), (38, 2059470), (42, 1863330), (45, 1739108), (49, 1597140), (57, 1372980), (60, 1304331), (63, 1242220), (70, 1117998), (76, 1029735), (84, 931665), (90, 869554), (95, 823788), (98, 798570), (105, 745332), (114, 686490), (126, 621110), (133, 588420), (140, 558999), (147, 532380), (171, 457660), (180, 434777), (190, 411894), (196, 399285), (210, 372666), (228, 343245), (245, 319428), (252, 310555), (266, 294210), (285, 274596), (294, 266190), (315, 248444), (342, 228830), (380, 205947), (399, 196140), (420, 186333), (441, 177460), (467, 167580), (490, 159714), (532, 147105), (570, 137298), (588, 133095), (630, 124222), (665, 117684), (684, 114415), (735, 106476), (798, 98070), (855, 91532), (882, 88730), (931, 84060), (934, 83790), (980, 79857), (1140, 68649), (1197, 65380), (1260, 62111), (1330, 58842), (1401, 55860), (1470, 53238), (1596, 49035), (1710, 45766), (1764, 44365), (1862, 42030), (1868, 41895), (1995, 39228), (2205, 35492), (2335, 33516), (2394, 32690), (2660, 29421), (2793, 28020), (2802, 27930), (2940, 26619), (3269, 23940), (3420, 22883), (3724, 21015), (3990, 19614), (4203, 18620), (4410, 17746), (4655, 16812), (4670, 16758), (4788, 16345), (5586, 14010), (5604, 13965), (5985, 13076), (6538, 11970), (7005, 11172), (7980, 9807), (8379, 9340), (8406, 9310), (8820, 8873)]