42818580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1999}}^1$

素因数の和:2038

約数の個数: 144

約数和(自身を含む): 157248000

約数和(自身を除く): 114429420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 1999, 2142, 2380, 3060, 3570, 3998, 4284, 5355, 5997, 7140, 7996, 9995, 10710, 11994, 13993, 17991, 19990, 21420, 23988, 27986, 29985, 33983, 35982, 39980, 41979, 55972, 59970, 67966, 69965, 71964, 83958, 89955, 101949, 119940, 125937, 135932, 139930, 167916, 169915, 179910, 203898, 209895, 237881, 251874, 279860, 305847, 339830, 359820, 407796, 419790, 475762, 503748, 509745, 611694, 629685, 679660, 713643, 839580, 951524, 1019490, 1189405, 1223388, 1259370, 1427286, 1529235, 2038980, 2140929, 2378810, 2518740, 2854572, 3058470, 3568215, 4281858, 4757620, 6116940, 7136430, 8563716, 10704645, 14272860, 21409290, 42818580]

約数ペア:

[(1, 42818580), (2, 21409290), (3, 14272860), (4, 10704645), (5, 8563716), (6, 7136430), (7, 6116940), (9, 4757620), (10, 4281858), (12, 3568215), (14, 3058470), (15, 2854572), (17, 2518740), (18, 2378810), (20, 2140929), (21, 2038980), (28, 1529235), (30, 1427286), (34, 1259370), (35, 1223388), (36, 1189405), (42, 1019490), (45, 951524), (51, 839580), (60, 713643), (63, 679660), (68, 629685), (70, 611694), (84, 509745), (85, 503748), (90, 475762), (102, 419790), (105, 407796), (119, 359820), (126, 339830), (140, 305847), (153, 279860), (170, 251874), (180, 237881), (204, 209895), (210, 203898), (238, 179910), (252, 169915), (255, 167916), (306, 139930), (315, 135932), (340, 125937), (357, 119940), (420, 101949), (476, 89955), (510, 83958), (595, 71964), (612, 69965), (630, 67966), (714, 59970), (765, 55972), (1020, 41979), (1071, 39980), (1190, 35982), (1260, 33983), (1428, 29985), (1530, 27986), (1785, 23988), (1999, 21420), (2142, 19990), (2380, 17991), (3060, 13993), (3570, 11994), (3998, 10710), (4284, 9995), (5355, 7996), (5997, 7140)]