12440331320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1\times {\mathrm{571}}^1$

素因数の和:973

約数の個数: 128

約数和(自身を含む): 29899584000

約数和(自身を除く): 17459252680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 218, 263, 380, 436, 526, 545, 571, 760, 872, 1052, 1090, 1142, 1315, 2071, 2104, 2180, 2284, 2630, 2855, 4142, 4360, 4568, 4997, 5260, 5710, 8284, 9994, 10355, 10520, 10849, 11420, 16568, 19988, 20710, 21698, 22840, 24985, 28667, 39976, 41420, 43396, 49970, 54245, 57334, 62239, 82840, 86792, 99940, 108490, 114668, 124478, 143335, 150173, 199880, 216980, 229336, 248956, 286670, 300346, 311195, 433960, 497912, 544673, 573340, 600692, 622390, 750865, 1089346, 1146680, 1182541, 1201384, 1244780, 1501730, 2178692, 2365082, 2489560, 2723365, 2853287, 3003460, 4357384, 4730164, 5446730, 5706574, 5912705, 6006920, 9460328, 10893460, 11413148, 11825410, 14266435, 16368857, 21786920, 22826296, 23650820, 28532870, 32737714, 47301640, 57065740, 65475428, 81844285, 114131480, 130950856, 163688570, 311008283, 327377140, 622016566, 654754280, 1244033132, 1555041415, 2488066264, 3110082830, 6220165660, 12440331320]

約数ペア:

[(1, 12440331320), (2, 6220165660), (4, 3110082830), (5, 2488066264), (8, 1555041415), (10, 1244033132), (19, 654754280), (20, 622016566), (38, 327377140), (40, 311008283), (76, 163688570), (95, 130950856), (109, 114131480), (152, 81844285), (190, 65475428), (218, 57065740), (263, 47301640), (380, 32737714), (436, 28532870), (526, 23650820), (545, 22826296), (571, 21786920), (760, 16368857), (872, 14266435), (1052, 11825410), (1090, 11413148), (1142, 10893460), (1315, 9460328), (2071, 6006920), (2104, 5912705), (2180, 5706574), (2284, 5446730), (2630, 4730164), (2855, 4357384), (4142, 3003460), (4360, 2853287), (4568, 2723365), (4997, 2489560), (5260, 2365082), (5710, 2178692), (8284, 1501730), (9994, 1244780), (10355, 1201384), (10520, 1182541), (10849, 1146680), (11420, 1089346), (16568, 750865), (19988, 622390), (20710, 600692), (21698, 573340), (22840, 544673), (24985, 497912), (28667, 433960), (39976, 311195), (41420, 300346), (43396, 286670), (49970, 248956), (54245, 229336), (57334, 216980), (62239, 199880), (82840, 150173), (86792, 143335), (99940, 124478), (108490, 114668)]