287459640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:526

約数の個数: 192

約数和(自身を含む): 1014249600

約数和(自身を除く): 726789960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 239, 257, 260, 312, 360, 390, 468, 478, 514, 520, 585, 717, 771, 780, 936, 956, 1028, 1170, 1195, 1285, 1434, 1542, 1560, 1912, 2056, 2151, 2313, 2340, 2390, 2570, 2868, 3084, 3107, 3341, 3585, 3855, 4302, 4626, 4680, 4780, 5140, 5736, 6168, 6214, 6682, 7170, 7710, 8604, 9252, 9321, 9560, 10023, 10280, 10755, 11565, 12428, 13364, 14340, 15420, 15535, 16705, 17208, 18504, 18642, 20046, 21510, 23130, 24856, 26728, 27963, 28680, 30069, 30840, 31070, 33410, 37284, 40092, 43020, 46260, 46605, 50115, 55926, 60138, 61423, 62140, 66820, 74568, 80184, 86040, 92520, 93210, 100230, 111852, 120276, 122846, 124280, 133640, 139815, 150345, 184269, 186420, 200460, 223704, 240552, 245692, 279630, 300690, 307115, 368538, 372840, 400920, 491384, 552807, 559260, 601380, 614230, 737076, 798499, 921345, 1105614, 1118520, 1202760, 1228460, 1474152, 1596998, 1842690, 2211228, 2395497, 2456920, 2764035, 3193996, 3685380, 3992495, 4422456, 4790994, 5528070, 6387992, 7186491, 7370760, 7984990, 9581988, 11056140, 11977485, 14372982, 15969980, 19163976, 22112280, 23954970, 28745964, 31939960, 35932455, 47909940, 57491928, 71864910, 95819880, 143729820, 287459640]

約数ペア:

[(1, 287459640), (2, 143729820), (3, 95819880), (4, 71864910), (5, 57491928), (6, 47909940), (8, 35932455), (9, 31939960), (10, 28745964), (12, 23954970), (13, 22112280), (15, 19163976), (18, 15969980), (20, 14372982), (24, 11977485), (26, 11056140), (30, 9581988), (36, 7984990), (39, 7370760), (40, 7186491), (45, 6387992), (52, 5528070), (60, 4790994), (65, 4422456), (72, 3992495), (78, 3685380), (90, 3193996), (104, 2764035), (117, 2456920), (120, 2395497), (130, 2211228), (156, 1842690), (180, 1596998), (195, 1474152), (234, 1228460), (239, 1202760), (257, 1118520), (260, 1105614), (312, 921345), (360, 798499), (390, 737076), (468, 614230), (478, 601380), (514, 559260), (520, 552807), (585, 491384), (717, 400920), (771, 372840), (780, 368538), (936, 307115), (956, 300690), (1028, 279630), (1170, 245692), (1195, 240552), (1285, 223704), (1434, 200460), (1542, 186420), (1560, 184269), (1912, 150345), (2056, 139815), (2151, 133640), (2313, 124280), (2340, 122846), (2390, 120276), (2570, 111852), (2868, 100230), (3084, 93210), (3107, 92520), (3341, 86040), (3585, 80184), (3855, 74568), (4302, 66820), (4626, 62140), (4680, 61423), (4780, 60138), (5140, 55926), (5736, 50115), (6168, 46605), (6214, 46260), (6682, 43020), (7170, 40092), (7710, 37284), (8604, 33410), (9252, 31070), (9321, 30840), (9560, 30069), (10023, 28680), (10280, 27963), (10755, 26728), (11565, 24856), (12428, 23130), (13364, 21510), (14340, 20046), (15420, 18642), (15535, 18504), (16705, 17208)]