30781140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 192

約数和(自身を含む): 102359040

約数和(自身を除く): 71577900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 31, 38, 39, 52, 57, 60, 62, 65, 67, 76, 78, 93, 95, 114, 124, 130, 134, 155, 156, 186, 190, 195, 201, 228, 247, 260, 268, 285, 310, 335, 372, 380, 390, 402, 403, 465, 494, 570, 589, 620, 670, 741, 780, 804, 806, 871, 930, 988, 1005, 1140, 1178, 1209, 1235, 1273, 1340, 1482, 1612, 1742, 1767, 1860, 2010, 2015, 2077, 2356, 2418, 2470, 2546, 2613, 2945, 2964, 3484, 3534, 3705, 3819, 4020, 4030, 4154, 4355, 4836, 4940, 5092, 5226, 5890, 6045, 6231, 6365, 7068, 7410, 7638, 7657, 8060, 8308, 8710, 8835, 10385, 10452, 11780, 12090, 12462, 12730, 13065, 14820, 15276, 15314, 16549, 17420, 17670, 19095, 20770, 22971, 24180, 24924, 25460, 26130, 27001, 30628, 31155, 33098, 35340, 38190, 38285, 39463, 41540, 45942, 49647, 52260, 54002, 62310, 66196, 76380, 76570, 78926, 81003, 82745, 91884, 99294, 108004, 114855, 118389, 124620, 135005, 153140, 157852, 162006, 165490, 197315, 198588, 229710, 236778, 248235, 270010, 324012, 330980, 394630, 405015, 459420, 473556, 496470, 513019, 540020, 591945, 789260, 810030, 992940, 1026038, 1183890, 1539057, 1620060, 2052076, 2367780, 2565095, 3078114, 5130190, 6156228, 7695285, 10260380, 15390570, 30781140]

約数ペア:

[(1, 30781140), (2, 15390570), (3, 10260380), (4, 7695285), (5, 6156228), (6, 5130190), (10, 3078114), (12, 2565095), (13, 2367780), (15, 2052076), (19, 1620060), (20, 1539057), (26, 1183890), (30, 1026038), (31, 992940), (38, 810030), (39, 789260), (52, 591945), (57, 540020), (60, 513019), (62, 496470), (65, 473556), (67, 459420), (76, 405015), (78, 394630), (93, 330980), (95, 324012), (114, 270010), (124, 248235), (130, 236778), (134, 229710), (155, 198588), (156, 197315), (186, 165490), (190, 162006), (195, 157852), (201, 153140), (228, 135005), (247, 124620), (260, 118389), (268, 114855), (285, 108004), (310, 99294), (335, 91884), (372, 82745), (380, 81003), (390, 78926), (402, 76570), (403, 76380), (465, 66196), (494, 62310), (570, 54002), (589, 52260), (620, 49647), (670, 45942), (741, 41540), (780, 39463), (804, 38285), (806, 38190), (871, 35340), (930, 33098), (988, 31155), (1005, 30628), (1140, 27001), (1178, 26130), (1209, 25460), (1235, 24924), (1273, 24180), (1340, 22971), (1482, 20770), (1612, 19095), (1742, 17670), (1767, 17420), (1860, 16549), (2010, 15314), (2015, 15276), (2077, 14820), (2356, 13065), (2418, 12730), (2470, 12462), (2546, 12090), (2613, 11780), (2945, 10452), (2964, 10385), (3484, 8835), (3534, 8710), (3705, 8308), (3819, 8060), (4020, 7657), (4030, 7638), (4154, 7410), (4355, 7068), (4836, 6365), (4940, 6231), (5092, 6045), (5226, 5890)]