243639540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{929}}^1$

素因数の和:1022

約数の個数: 144

約数和(自身を含む): 779950080

約数和(自身を除く): 536310540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 47, 60, 62, 90, 93, 94, 124, 141, 155, 180, 186, 188, 235, 279, 282, 310, 372, 423, 465, 470, 558, 564, 620, 705, 846, 929, 930, 940, 1116, 1395, 1410, 1457, 1692, 1858, 1860, 2115, 2787, 2790, 2820, 2914, 3716, 4230, 4371, 4645, 5574, 5580, 5828, 7285, 8361, 8460, 8742, 9290, 11148, 13113, 13935, 14570, 16722, 17484, 18580, 21855, 26226, 27870, 28799, 29140, 33444, 41805, 43663, 43710, 52452, 55740, 57598, 65565, 83610, 86397, 87326, 87420, 115196, 130989, 131130, 143995, 167220, 172794, 174652, 218315, 259191, 261978, 262260, 287990, 345588, 392967, 431985, 436630, 518382, 523956, 575980, 654945, 785934, 863970, 873260, 1036764, 1295955, 1309890, 1353553, 1571868, 1727940, 1964835, 2591910, 2619780, 2707106, 3929670, 4060659, 5183820, 5414212, 6767765, 7859340, 8121318, 12181977, 13535530, 16242636, 20303295, 24363954, 27071060, 40606590, 48727908, 60909885, 81213180, 121819770, 243639540]

約数ペア:

[(1, 243639540), (2, 121819770), (3, 81213180), (4, 60909885), (5, 48727908), (6, 40606590), (9, 27071060), (10, 24363954), (12, 20303295), (15, 16242636), (18, 13535530), (20, 12181977), (30, 8121318), (31, 7859340), (36, 6767765), (45, 5414212), (47, 5183820), (60, 4060659), (62, 3929670), (90, 2707106), (93, 2619780), (94, 2591910), (124, 1964835), (141, 1727940), (155, 1571868), (180, 1353553), (186, 1309890), (188, 1295955), (235, 1036764), (279, 873260), (282, 863970), (310, 785934), (372, 654945), (423, 575980), (465, 523956), (470, 518382), (558, 436630), (564, 431985), (620, 392967), (705, 345588), (846, 287990), (929, 262260), (930, 261978), (940, 259191), (1116, 218315), (1395, 174652), (1410, 172794), (1457, 167220), (1692, 143995), (1858, 131130), (1860, 130989), (2115, 115196), (2787, 87420), (2790, 87326), (2820, 86397), (2914, 83610), (3716, 65565), (4230, 57598), (4371, 55740), (4645, 52452), (5574, 43710), (5580, 43663), (5828, 41805), (7285, 33444), (8361, 29140), (8460, 28799), (8742, 27870), (9290, 26226), (11148, 21855), (13113, 18580), (13935, 17484), (14570, 16722)]