305478960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2161}}^1$

素因数の和:2227

約数の個数: 160

約数和(自身を含む): 1029457920

約数和(自身を除く): 723978960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 240, 248, 285, 304, 310, 372, 380, 456, 465, 496, 570, 589, 620, 744, 760, 912, 930, 1140, 1178, 1240, 1488, 1520, 1767, 1860, 2161, 2280, 2356, 2480, 2945, 3534, 3720, 4322, 4560, 4712, 5890, 6483, 7068, 7440, 8644, 8835, 9424, 10805, 11780, 12966, 14136, 17288, 17670, 21610, 23560, 25932, 28272, 32415, 34576, 35340, 41059, 43220, 47120, 51864, 64830, 66991, 70680, 82118, 86440, 103728, 123177, 129660, 133982, 141360, 164236, 172880, 200973, 205295, 246354, 259320, 267964, 328472, 334955, 401946, 410590, 492708, 518640, 535928, 615885, 656944, 669910, 803892, 821180, 985416, 1004865, 1071856, 1231770, 1272829, 1339820, 1607784, 1642360, 1970832, 2009730, 2463540, 2545658, 2679640, 3215568, 3284720, 3818487, 4019460, 4927080, 5091316, 5359280, 6364145, 7636974, 8038920, 9854160, 10182632, 12728290, 15273948, 16077840, 19092435, 20365264, 25456580, 30547896, 38184870, 50913160, 61095792, 76369740, 101826320, 152739480, 305478960]

約数ペア:

[(1, 305478960), (2, 152739480), (3, 101826320), (4, 76369740), (5, 61095792), (6, 50913160), (8, 38184870), (10, 30547896), (12, 25456580), (15, 20365264), (16, 19092435), (19, 16077840), (20, 15273948), (24, 12728290), (30, 10182632), (31, 9854160), (38, 8038920), (40, 7636974), (48, 6364145), (57, 5359280), (60, 5091316), (62, 4927080), (76, 4019460), (80, 3818487), (93, 3284720), (95, 3215568), (114, 2679640), (120, 2545658), (124, 2463540), (152, 2009730), (155, 1970832), (186, 1642360), (190, 1607784), (228, 1339820), (240, 1272829), (248, 1231770), (285, 1071856), (304, 1004865), (310, 985416), (372, 821180), (380, 803892), (456, 669910), (465, 656944), (496, 615885), (570, 535928), (589, 518640), (620, 492708), (744, 410590), (760, 401946), (912, 334955), (930, 328472), (1140, 267964), (1178, 259320), (1240, 246354), (1488, 205295), (1520, 200973), (1767, 172880), (1860, 164236), (2161, 141360), (2280, 133982), (2356, 129660), (2480, 123177), (2945, 103728), (3534, 86440), (3720, 82118), (4322, 70680), (4560, 66991), (4712, 64830), (5890, 51864), (6483, 47120), (7068, 43220), (7440, 41059), (8644, 35340), (8835, 34576), (9424, 32415), (10805, 28272), (11780, 25932), (12966, 23560), (14136, 21610), (17288, 17670)]