262426780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:320

約数の個数: 192

約数和(自身を含む): 743178240

約数和(自身を除く): 480751460

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 31, 35, 44, 46, 55, 62, 70, 77, 92, 110, 115, 124, 140, 154, 155, 161, 217, 220, 230, 239, 253, 308, 310, 322, 341, 385, 434, 460, 478, 506, 620, 644, 682, 713, 770, 805, 868, 956, 1012, 1085, 1195, 1265, 1364, 1426, 1540, 1610, 1673, 1705, 1771, 2170, 2387, 2390, 2530, 2629, 2852, 3220, 3346, 3410, 3542, 3565, 4340, 4774, 4780, 4991, 5060, 5258, 5497, 6692, 6820, 7084, 7130, 7409, 7843, 8365, 8855, 9548, 9982, 10516, 10994, 11935, 13145, 14260, 14818, 15686, 16730, 17710, 18403, 19964, 21988, 23870, 24955, 26290, 27485, 29636, 31372, 33460, 35420, 36806, 37045, 38479, 39215, 47740, 49910, 51863, 52580, 54901, 54970, 60467, 73612, 74090, 76958, 78430, 81499, 92015, 99820, 103726, 109802, 109940, 120934, 148180, 153916, 156860, 162998, 170407, 184030, 192395, 207452, 219604, 241868, 259315, 274505, 302335, 325996, 340814, 368060, 384790, 407495, 423269, 518630, 549010, 570493, 604670, 681628, 769580, 814990, 846538, 852035, 1037260, 1098020, 1140986, 1192849, 1209340, 1629980, 1693076, 1704070, 1874477, 2116345, 2281972, 2385698, 2852465, 3408140, 3748954, 4232690, 4771396, 5704930, 5964245, 7497908, 8465380, 9372385, 11409860, 11928490, 13121339, 18744770, 23856980, 26242678, 37489540, 52485356, 65606695, 131213390, 262426780]

約数ペア:

[(1, 262426780), (2, 131213390), (4, 65606695), (5, 52485356), (7, 37489540), (10, 26242678), (11, 23856980), (14, 18744770), (20, 13121339), (22, 11928490), (23, 11409860), (28, 9372385), (31, 8465380), (35, 7497908), (44, 5964245), (46, 5704930), (55, 4771396), (62, 4232690), (70, 3748954), (77, 3408140), (92, 2852465), (110, 2385698), (115, 2281972), (124, 2116345), (140, 1874477), (154, 1704070), (155, 1693076), (161, 1629980), (217, 1209340), (220, 1192849), (230, 1140986), (239, 1098020), (253, 1037260), (308, 852035), (310, 846538), (322, 814990), (341, 769580), (385, 681628), (434, 604670), (460, 570493), (478, 549010), (506, 518630), (620, 423269), (644, 407495), (682, 384790), (713, 368060), (770, 340814), (805, 325996), (868, 302335), (956, 274505), (1012, 259315), (1085, 241868), (1195, 219604), (1265, 207452), (1364, 192395), (1426, 184030), (1540, 170407), (1610, 162998), (1673, 156860), (1705, 153916), (1771, 148180), (2170, 120934), (2387, 109940), (2390, 109802), (2530, 103726), (2629, 99820), (2852, 92015), (3220, 81499), (3346, 78430), (3410, 76958), (3542, 74090), (3565, 73612), (4340, 60467), (4774, 54970), (4780, 54901), (4991, 52580), (5060, 51863), (5258, 49910), (5497, 47740), (6692, 39215), (6820, 38479), (7084, 37045), (7130, 36806), (7409, 35420), (7843, 33460), (8365, 31372), (8855, 29636), (9548, 27485), (9982, 26290), (10516, 24955), (10994, 23870), (11935, 21988), (13145, 19964), (14260, 18403), (14818, 17710), (15686, 16730)]