240308280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:462

約数の個数: 192

約数和(自身を含む): 821733120

約数和(自身を除く): 581424840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 61, 62, 72, 90, 93, 120, 122, 124, 155, 180, 183, 186, 244, 248, 279, 305, 310, 353, 360, 366, 372, 465, 488, 549, 558, 610, 620, 706, 732, 744, 915, 930, 1059, 1098, 1116, 1220, 1240, 1395, 1412, 1464, 1765, 1830, 1860, 1891, 2118, 2196, 2232, 2440, 2745, 2790, 2824, 3177, 3530, 3660, 3720, 3782, 4236, 4392, 5295, 5490, 5580, 5673, 6354, 7060, 7320, 7564, 8472, 9455, 10590, 10943, 10980, 11160, 11346, 12708, 14120, 15128, 15885, 17019, 18910, 21180, 21533, 21886, 21960, 22692, 25416, 28365, 31770, 32829, 34038, 37820, 42360, 43066, 43772, 45384, 54715, 56730, 63540, 64599, 65658, 68076, 75640, 85095, 86132, 87544, 98487, 107665, 109430, 113460, 127080, 129198, 131316, 136152, 164145, 170190, 172264, 193797, 196974, 215330, 218860, 226920, 258396, 262632, 322995, 328290, 340380, 387594, 393948, 430660, 437720, 492435, 516792, 645990, 656580, 667523, 680760, 775188, 787896, 861320, 968985, 984870, 1291980, 1313160, 1335046, 1550376, 1937970, 1969740, 2002569, 2583960, 2670092, 3337615, 3875940, 3939480, 4005138, 5340184, 6007707, 6675230, 7751880, 8010276, 10012845, 12015414, 13350460, 16020552, 20025690, 24030828, 26700920, 30038535, 40051380, 48061656, 60077070, 80102760, 120154140, 240308280]

約数ペア:

[(1, 240308280), (2, 120154140), (3, 80102760), (4, 60077070), (5, 48061656), (6, 40051380), (8, 30038535), (9, 26700920), (10, 24030828), (12, 20025690), (15, 16020552), (18, 13350460), (20, 12015414), (24, 10012845), (30, 8010276), (31, 7751880), (36, 6675230), (40, 6007707), (45, 5340184), (60, 4005138), (61, 3939480), (62, 3875940), (72, 3337615), (90, 2670092), (93, 2583960), (120, 2002569), (122, 1969740), (124, 1937970), (155, 1550376), (180, 1335046), (183, 1313160), (186, 1291980), (244, 984870), (248, 968985), (279, 861320), (305, 787896), (310, 775188), (353, 680760), (360, 667523), (366, 656580), (372, 645990), (465, 516792), (488, 492435), (549, 437720), (558, 430660), (610, 393948), (620, 387594), (706, 340380), (732, 328290), (744, 322995), (915, 262632), (930, 258396), (1059, 226920), (1098, 218860), (1116, 215330), (1220, 196974), (1240, 193797), (1395, 172264), (1412, 170190), (1464, 164145), (1765, 136152), (1830, 131316), (1860, 129198), (1891, 127080), (2118, 113460), (2196, 109430), (2232, 107665), (2440, 98487), (2745, 87544), (2790, 86132), (2824, 85095), (3177, 75640), (3530, 68076), (3660, 65658), (3720, 64599), (3782, 63540), (4236, 56730), (4392, 54715), (5295, 45384), (5490, 43772), (5580, 43066), (5673, 42360), (6354, 37820), (7060, 34038), (7320, 32829), (7564, 31770), (8472, 28365), (9455, 25416), (10590, 22692), (10943, 21960), (10980, 21886), (11160, 21533), (11346, 21180), (12708, 18910), (14120, 17019), (15128, 15885)]