218748400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:144

約数の個数: 240

約数和(自身を含む): 619960320

約数和(自身を除く): 401211920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 25, 26, 31, 40, 46, 50, 52, 59, 62, 65, 80, 92, 100, 104, 115, 118, 124, 130, 155, 184, 200, 208, 230, 236, 248, 260, 295, 299, 310, 325, 368, 400, 403, 460, 472, 496, 520, 575, 590, 598, 620, 650, 713, 767, 775, 806, 920, 944, 1040, 1150, 1180, 1196, 1240, 1300, 1357, 1426, 1475, 1495, 1534, 1550, 1612, 1829, 1840, 2015, 2300, 2360, 2392, 2480, 2600, 2714, 2852, 2950, 2990, 3068, 3100, 3224, 3565, 3658, 3835, 4030, 4600, 4720, 4784, 5200, 5428, 5704, 5900, 5980, 6136, 6200, 6448, 6785, 7130, 7316, 7475, 7670, 8060, 9145, 9200, 9269, 10075, 10856, 11408, 11800, 11960, 12272, 12400, 13570, 14260, 14632, 14950, 15340, 16120, 17641, 17825, 18290, 18538, 19175, 20150, 21712, 23600, 23777, 23920, 27140, 28520, 29264, 29900, 30680, 32240, 33925, 35282, 35650, 36580, 37076, 38350, 40300, 42067, 45725, 46345, 47554, 54280, 57040, 59800, 61360, 67850, 70564, 71300, 73160, 74152, 76700, 80600, 84134, 88205, 91450, 92690, 95108, 108560, 118885, 119600, 135700, 141128, 142600, 146320, 148304, 153400, 161200, 168268, 176410, 182900, 185380, 190216, 210335, 231725, 237770, 271400, 282256, 285200, 306800, 336536, 352820, 365800, 370760, 380432, 420670, 441025, 463450, 475540, 542800, 546871, 594425, 673072, 705640, 731600, 741520, 841340, 882050, 926900, 951080, 1051675, 1093742, 1188850, 1411280, 1682680, 1764100, 1853800, 1902160, 2103350, 2187484, 2377700, 2734355, 3365360, 3528200, 3707600, 4206700, 4374968, 4755400, 5468710, 7056400, 8413400, 8749936, 9510800, 10937420, 13671775, 16826800, 21874840, 27343550, 43749680, 54687100, 109374200, 218748400]

約数ペア:

[(1, 218748400), (2, 109374200), (4, 54687100), (5, 43749680), (8, 27343550), (10, 21874840), (13, 16826800), (16, 13671775), (20, 10937420), (23, 9510800), (25, 8749936), (26, 8413400), (31, 7056400), (40, 5468710), (46, 4755400), (50, 4374968), (52, 4206700), (59, 3707600), (62, 3528200), (65, 3365360), (80, 2734355), (92, 2377700), (100, 2187484), (104, 2103350), (115, 1902160), (118, 1853800), (124, 1764100), (130, 1682680), (155, 1411280), (184, 1188850), (200, 1093742), (208, 1051675), (230, 951080), (236, 926900), (248, 882050), (260, 841340), (295, 741520), (299, 731600), (310, 705640), (325, 673072), (368, 594425), (400, 546871), (403, 542800), (460, 475540), (472, 463450), (496, 441025), (520, 420670), (575, 380432), (590, 370760), (598, 365800), (620, 352820), (650, 336536), (713, 306800), (767, 285200), (775, 282256), (806, 271400), (920, 237770), (944, 231725), (1040, 210335), (1150, 190216), (1180, 185380), (1196, 182900), (1240, 176410), (1300, 168268), (1357, 161200), (1426, 153400), (1475, 148304), (1495, 146320), (1534, 142600), (1550, 141128), (1612, 135700), (1829, 119600), (1840, 118885), (2015, 108560), (2300, 95108), (2360, 92690), (2392, 91450), (2480, 88205), (2600, 84134), (2714, 80600), (2852, 76700), (2950, 74152), (2990, 73160), (3068, 71300), (3100, 70564), (3224, 67850), (3565, 61360), (3658, 59800), (3835, 57040), (4030, 54280), (4600, 47554), (4720, 46345), (4784, 45725), (5200, 42067), (5428, 40300), (5704, 38350), (5900, 37076), (5980, 36580), (6136, 35650), (6200, 35282), (6448, 33925), (6785, 32240), (7130, 30680), (7316, 29900), (7475, 29264), (7670, 28520), (8060, 27140), (9145, 23920), (9200, 23777), (9269, 23600), (10075, 21712), (10856, 20150), (11408, 19175), (11800, 18538), (11960, 18290), (12272, 17825), (12400, 17641), (13570, 16120), (14260, 15340), (14632, 14950)]