381397040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:279

約数の個数: 160

約数和(自身を含む): 997971840

約数和(自身を除く): 616574800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 89, 92, 115, 136, 137, 170, 178, 184, 230, 272, 274, 340, 356, 368, 391, 445, 460, 548, 680, 685, 712, 782, 890, 920, 1096, 1360, 1370, 1424, 1513, 1564, 1780, 1840, 1955, 2047, 2192, 2329, 2740, 3026, 3128, 3151, 3560, 3910, 4094, 4658, 5480, 6052, 6256, 6302, 7120, 7565, 7820, 8188, 9316, 10235, 10960, 11645, 12104, 12193, 12604, 15130, 15640, 15755, 16376, 18632, 20470, 23290, 24208, 24386, 25208, 30260, 31280, 31510, 32752, 34799, 37264, 40940, 46580, 48772, 50416, 53567, 60520, 60965, 63020, 69598, 81880, 93160, 97544, 107134, 121040, 121930, 126040, 139196, 163760, 173995, 186320, 195088, 207281, 214268, 243860, 252080, 267835, 278392, 280439, 347990, 414562, 428536, 487720, 535670, 556784, 560878, 695980, 829124, 857072, 975440, 1036405, 1071340, 1121756, 1391960, 1402195, 1658248, 2072810, 2142680, 2243512, 2783920, 2804390, 3316496, 4145620, 4285360, 4487024, 4767463, 5608780, 8291240, 9534926, 11217560, 16582480, 19069852, 22435120, 23837315, 38139704, 47674630, 76279408, 95349260, 190698520, 381397040]

約数ペア:

[(1, 381397040), (2, 190698520), (4, 95349260), (5, 76279408), (8, 47674630), (10, 38139704), (16, 23837315), (17, 22435120), (20, 19069852), (23, 16582480), (34, 11217560), (40, 9534926), (46, 8291240), (68, 5608780), (80, 4767463), (85, 4487024), (89, 4285360), (92, 4145620), (115, 3316496), (136, 2804390), (137, 2783920), (170, 2243512), (178, 2142680), (184, 2072810), (230, 1658248), (272, 1402195), (274, 1391960), (340, 1121756), (356, 1071340), (368, 1036405), (391, 975440), (445, 857072), (460, 829124), (548, 695980), (680, 560878), (685, 556784), (712, 535670), (782, 487720), (890, 428536), (920, 414562), (1096, 347990), (1360, 280439), (1370, 278392), (1424, 267835), (1513, 252080), (1564, 243860), (1780, 214268), (1840, 207281), (1955, 195088), (2047, 186320), (2192, 173995), (2329, 163760), (2740, 139196), (3026, 126040), (3128, 121930), (3151, 121040), (3560, 107134), (3910, 97544), (4094, 93160), (4658, 81880), (5480, 69598), (6052, 63020), (6256, 60965), (6302, 60520), (7120, 53567), (7565, 50416), (7820, 48772), (8188, 46580), (9316, 40940), (10235, 37264), (10960, 34799), (11645, 32752), (12104, 31510), (12193, 31280), (12604, 30260), (15130, 25208), (15640, 24386), (15755, 24208), (16376, 23290), (18632, 20470)]