30940728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:517

約数の個数: 128

約数和(自身を含む): 98488320

約数和(自身を除く): 67547592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 31, 39, 42, 52, 56, 62, 78, 84, 91, 93, 104, 124, 156, 168, 182, 186, 217, 248, 273, 312, 364, 372, 403, 434, 457, 546, 651, 728, 744, 806, 868, 914, 1092, 1209, 1302, 1371, 1612, 1736, 1828, 2184, 2418, 2604, 2742, 2821, 3199, 3224, 3656, 4836, 5208, 5484, 5642, 5941, 6398, 8463, 9597, 9672, 10968, 11284, 11882, 12796, 14167, 16926, 17823, 19194, 22568, 23764, 25592, 28334, 33852, 35646, 38388, 41587, 42501, 47528, 56668, 67704, 71292, 76776, 83174, 85002, 99169, 113336, 124761, 142584, 166348, 170004, 184171, 198338, 249522, 297507, 332696, 340008, 368342, 396676, 499044, 552513, 595014, 736684, 793352, 998088, 1105026, 1190028, 1289197, 1473368, 2210052, 2380056, 2578394, 3867591, 4420104, 5156788, 7735182, 10313576, 15470364, 30940728]

約数ペア:

[(1, 30940728), (2, 15470364), (3, 10313576), (4, 7735182), (6, 5156788), (7, 4420104), (8, 3867591), (12, 2578394), (13, 2380056), (14, 2210052), (21, 1473368), (24, 1289197), (26, 1190028), (28, 1105026), (31, 998088), (39, 793352), (42, 736684), (52, 595014), (56, 552513), (62, 499044), (78, 396676), (84, 368342), (91, 340008), (93, 332696), (104, 297507), (124, 249522), (156, 198338), (168, 184171), (182, 170004), (186, 166348), (217, 142584), (248, 124761), (273, 113336), (312, 99169), (364, 85002), (372, 83174), (403, 76776), (434, 71292), (457, 67704), (546, 56668), (651, 47528), (728, 42501), (744, 41587), (806, 38388), (868, 35646), (914, 33852), (1092, 28334), (1209, 25592), (1302, 23764), (1371, 22568), (1612, 19194), (1736, 17823), (1828, 16926), (2184, 14167), (2418, 12796), (2604, 11882), (2742, 11284), (2821, 10968), (3199, 9672), (3224, 9597), (3656, 8463), (4836, 6398), (5208, 5941), (5484, 5642)]