638637480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3499}}^1$

素因数の和:3545

約数の個数: 192

約数和(自身を含む): 2305800000

約数和(自身を除く): 1667162520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 169, 180, 195, 216, 234, 260, 270, 312, 338, 351, 360, 390, 468, 507, 520, 540, 585, 676, 702, 780, 845, 936, 1014, 1080, 1170, 1352, 1404, 1521, 1560, 1690, 1755, 2028, 2340, 2535, 2808, 3042, 3380, 3499, 3510, 4056, 4563, 4680, 5070, 6084, 6760, 6998, 7020, 7605, 9126, 10140, 10497, 12168, 13996, 14040, 15210, 17495, 18252, 20280, 20994, 22815, 27992, 30420, 31491, 34990, 36504, 41988, 45487, 45630, 52485, 60840, 62982, 69980, 83976, 90974, 91260, 94473, 104970, 125964, 136461, 139960, 157455, 181948, 182520, 188946, 209940, 227435, 251928, 272922, 314910, 363896, 377892, 409383, 419880, 454870, 472365, 545844, 591331, 629820, 682305, 755784, 818766, 909740, 944730, 1091688, 1182662, 1228149, 1259640, 1364610, 1637532, 1773993, 1819480, 1889460, 2046915, 2365324, 2456298, 2729220, 2956655, 3275064, 3547986, 3778920, 4093830, 4730648, 4912596, 5321979, 5458440, 5913310, 6140745, 7095972, 8187660, 8869965, 9825192, 10643958, 11826620, 12281490, 14191944, 15965937, 16375320, 17739930, 21287916, 23653240, 24562980, 26609895, 31931874, 35479860, 42575832, 49125960, 53219790, 63863748, 70959720, 79829685, 106439580, 127727496, 159659370, 212879160, 319318740, 638637480]

約数ペア:

[(1, 638637480), (2, 319318740), (3, 212879160), (4, 159659370), (5, 127727496), (6, 106439580), (8, 79829685), (9, 70959720), (10, 63863748), (12, 53219790), (13, 49125960), (15, 42575832), (18, 35479860), (20, 31931874), (24, 26609895), (26, 24562980), (27, 23653240), (30, 21287916), (36, 17739930), (39, 16375320), (40, 15965937), (45, 14191944), (52, 12281490), (54, 11826620), (60, 10643958), (65, 9825192), (72, 8869965), (78, 8187660), (90, 7095972), (104, 6140745), (108, 5913310), (117, 5458440), (120, 5321979), (130, 4912596), (135, 4730648), (156, 4093830), (169, 3778920), (180, 3547986), (195, 3275064), (216, 2956655), (234, 2729220), (260, 2456298), (270, 2365324), (312, 2046915), (338, 1889460), (351, 1819480), (360, 1773993), (390, 1637532), (468, 1364610), (507, 1259640), (520, 1228149), (540, 1182662), (585, 1091688), (676, 944730), (702, 909740), (780, 818766), (845, 755784), (936, 682305), (1014, 629820), (1080, 591331), (1170, 545844), (1352, 472365), (1404, 454870), (1521, 419880), (1560, 409383), (1690, 377892), (1755, 363896), (2028, 314910), (2340, 272922), (2535, 251928), (2808, 227435), (3042, 209940), (3380, 188946), (3499, 182520), (3510, 181948), (4056, 157455), (4563, 139960), (4680, 136461), (5070, 125964), (6084, 104970), (6760, 94473), (6998, 91260), (7020, 90974), (7605, 83976), (9126, 69980), (10140, 62982), (10497, 60840), (12168, 52485), (13996, 45630), (14040, 45487), (15210, 41988), (17495, 36504), (18252, 34990), (20280, 31491), (20994, 30420), (22815, 27992)]