218240460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:365

約数の個数: 192

約数和(自身を含む): 725760000

約数和(自身を除く): 507519540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 89, 90, 95, 108, 114, 135, 171, 178, 180, 190, 228, 239, 267, 270, 285, 342, 356, 380, 445, 478, 513, 534, 540, 570, 684, 717, 801, 855, 890, 956, 1026, 1068, 1140, 1195, 1335, 1434, 1602, 1691, 1710, 1780, 2052, 2151, 2390, 2403, 2565, 2670, 2868, 3204, 3382, 3420, 3585, 4005, 4302, 4541, 4780, 4806, 5073, 5130, 5340, 6453, 6764, 7170, 8010, 8455, 8604, 9082, 9612, 10146, 10260, 10755, 12015, 12906, 13623, 14340, 15219, 16020, 16910, 18164, 20292, 21271, 21510, 22705, 24030, 25365, 25812, 27246, 30438, 32265, 33820, 40869, 42542, 43020, 45410, 45657, 48060, 50730, 54492, 60876, 63813, 64530, 68115, 76095, 81738, 85084, 90820, 91314, 101460, 106355, 122607, 127626, 129060, 136230, 152190, 163476, 182628, 191439, 204345, 212710, 228285, 245214, 255252, 272460, 304380, 319065, 382878, 404149, 408690, 425420, 456570, 490428, 574317, 613035, 638130, 765756, 808298, 817380, 913140, 957195, 1148634, 1212447, 1226070, 1276260, 1616596, 1914390, 2020745, 2297268, 2424894, 2452140, 2871585, 3637341, 3828780, 4041490, 4849788, 5743170, 6062235, 7274682, 8082980, 10912023, 11486340, 12124470, 14549364, 18186705, 21824046, 24248940, 36373410, 43648092, 54560115, 72746820, 109120230, 218240460]

約数ペア:

[(1, 218240460), (2, 109120230), (3, 72746820), (4, 54560115), (5, 43648092), (6, 36373410), (9, 24248940), (10, 21824046), (12, 18186705), (15, 14549364), (18, 12124470), (19, 11486340), (20, 10912023), (27, 8082980), (30, 7274682), (36, 6062235), (38, 5743170), (45, 4849788), (54, 4041490), (57, 3828780), (60, 3637341), (76, 2871585), (89, 2452140), (90, 2424894), (95, 2297268), (108, 2020745), (114, 1914390), (135, 1616596), (171, 1276260), (178, 1226070), (180, 1212447), (190, 1148634), (228, 957195), (239, 913140), (267, 817380), (270, 808298), (285, 765756), (342, 638130), (356, 613035), (380, 574317), (445, 490428), (478, 456570), (513, 425420), (534, 408690), (540, 404149), (570, 382878), (684, 319065), (717, 304380), (801, 272460), (855, 255252), (890, 245214), (956, 228285), (1026, 212710), (1068, 204345), (1140, 191439), (1195, 182628), (1335, 163476), (1434, 152190), (1602, 136230), (1691, 129060), (1710, 127626), (1780, 122607), (2052, 106355), (2151, 101460), (2390, 91314), (2403, 90820), (2565, 85084), (2670, 81738), (2868, 76095), (3204, 68115), (3382, 64530), (3420, 63813), (3585, 60876), (4005, 54492), (4302, 50730), (4541, 48060), (4780, 45657), (4806, 45410), (5073, 43020), (5130, 42542), (5340, 40869), (6453, 33820), (6764, 32265), (7170, 30438), (8010, 27246), (8455, 25812), (8604, 25365), (9082, 24030), (9612, 22705), (10146, 21510), (10260, 21271), (10755, 20292), (12015, 18164), (12906, 16910), (13623, 16020), (14340, 15219)]