202817680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 160

約数和(自身を含む): 542465280

約数和(自身を除く): 339647600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 61, 65, 80, 92, 104, 115, 122, 130, 139, 184, 208, 230, 244, 260, 278, 299, 305, 368, 460, 488, 520, 556, 598, 610, 695, 793, 920, 976, 1040, 1112, 1196, 1220, 1390, 1403, 1495, 1586, 1807, 1840, 2224, 2392, 2440, 2780, 2806, 2990, 3172, 3197, 3614, 3965, 4784, 4880, 5560, 5612, 5980, 6344, 6394, 7015, 7228, 7930, 8479, 9035, 11120, 11224, 11960, 12688, 12788, 14030, 14456, 15860, 15985, 16958, 18070, 18239, 22448, 23920, 25576, 28060, 28912, 31720, 31970, 33916, 36140, 36478, 41561, 42395, 51152, 56120, 63440, 63940, 67832, 72280, 72956, 83122, 84790, 91195, 110227, 112240, 127880, 135664, 144560, 145912, 166244, 169580, 182390, 195017, 207805, 220454, 255760, 291824, 332488, 339160, 364780, 390034, 415610, 440908, 551135, 664976, 678320, 729560, 780068, 831220, 881816, 975085, 1102270, 1459120, 1560136, 1662440, 1763632, 1950170, 2204540, 2535221, 3120272, 3324880, 3900340, 4409080, 5070442, 7800680, 8818160, 10140884, 12676105, 15601360, 20281768, 25352210, 40563536, 50704420, 101408840, 202817680]

約数ペア:

[(1, 202817680), (2, 101408840), (4, 50704420), (5, 40563536), (8, 25352210), (10, 20281768), (13, 15601360), (16, 12676105), (20, 10140884), (23, 8818160), (26, 7800680), (40, 5070442), (46, 4409080), (52, 3900340), (61, 3324880), (65, 3120272), (80, 2535221), (92, 2204540), (104, 1950170), (115, 1763632), (122, 1662440), (130, 1560136), (139, 1459120), (184, 1102270), (208, 975085), (230, 881816), (244, 831220), (260, 780068), (278, 729560), (299, 678320), (305, 664976), (368, 551135), (460, 440908), (488, 415610), (520, 390034), (556, 364780), (598, 339160), (610, 332488), (695, 291824), (793, 255760), (920, 220454), (976, 207805), (1040, 195017), (1112, 182390), (1196, 169580), (1220, 166244), (1390, 145912), (1403, 144560), (1495, 135664), (1586, 127880), (1807, 112240), (1840, 110227), (2224, 91195), (2392, 84790), (2440, 83122), (2780, 72956), (2806, 72280), (2990, 67832), (3172, 63940), (3197, 63440), (3614, 56120), (3965, 51152), (4784, 42395), (4880, 41561), (5560, 36478), (5612, 36140), (5980, 33916), (6344, 31970), (6394, 31720), (7015, 28912), (7228, 28060), (7930, 25576), (8479, 23920), (9035, 22448), (11120, 18239), (11224, 18070), (11960, 16958), (12688, 15985), (12788, 15860), (14030, 14456)]