445140180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:718

約数の個数: 144

約数和(自身を含む): 1394160768

約数和(自身を除く): 949020588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 71, 90, 122, 142, 180, 183, 213, 244, 284, 305, 355, 366, 426, 549, 571, 610, 639, 710, 732, 852, 915, 1065, 1098, 1142, 1220, 1278, 1420, 1713, 1830, 2130, 2196, 2284, 2556, 2745, 2855, 3195, 3426, 3660, 4260, 4331, 5139, 5490, 5710, 6390, 6852, 8565, 8662, 10278, 10980, 11420, 12780, 12993, 17130, 17324, 20556, 21655, 25695, 25986, 34260, 34831, 38979, 40541, 43310, 51390, 51972, 64965, 69662, 77958, 81082, 86620, 102780, 104493, 121623, 129930, 139324, 155916, 162164, 174155, 194895, 202705, 208986, 243246, 259860, 313479, 348310, 364869, 389790, 405410, 417972, 486492, 522465, 608115, 626958, 696620, 729738, 779580, 810820, 1044930, 1216230, 1253916, 1459476, 1567395, 1824345, 2089860, 2432460, 2473001, 3134790, 3648690, 4946002, 6269580, 7297380, 7419003, 9892004, 12365005, 14838006, 22257009, 24730010, 29676012, 37095015, 44514018, 49460020, 74190030, 89028036, 111285045, 148380060, 222570090, 445140180]

約数ペア:

[(1, 445140180), (2, 222570090), (3, 148380060), (4, 111285045), (5, 89028036), (6, 74190030), (9, 49460020), (10, 44514018), (12, 37095015), (15, 29676012), (18, 24730010), (20, 22257009), (30, 14838006), (36, 12365005), (45, 9892004), (60, 7419003), (61, 7297380), (71, 6269580), (90, 4946002), (122, 3648690), (142, 3134790), (180, 2473001), (183, 2432460), (213, 2089860), (244, 1824345), (284, 1567395), (305, 1459476), (355, 1253916), (366, 1216230), (426, 1044930), (549, 810820), (571, 779580), (610, 729738), (639, 696620), (710, 626958), (732, 608115), (852, 522465), (915, 486492), (1065, 417972), (1098, 405410), (1142, 389790), (1220, 364869), (1278, 348310), (1420, 313479), (1713, 259860), (1830, 243246), (2130, 208986), (2196, 202705), (2284, 194895), (2556, 174155), (2745, 162164), (2855, 155916), (3195, 139324), (3426, 129930), (3660, 121623), (4260, 104493), (4331, 102780), (5139, 86620), (5490, 81082), (5710, 77958), (6390, 69662), (6852, 64965), (8565, 51972), (8662, 51390), (10278, 43310), (10980, 40541), (11420, 38979), (12780, 34831), (12993, 34260), (17130, 25986), (17324, 25695), (20556, 21655)]