1390977440

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:295

約数の個数: 192

約数和(自身を含む): 3605575680

約数和(自身を除く): 2214598240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 80, 89, 92, 115, 124, 137, 155, 160, 178, 184, 230, 248, 274, 310, 356, 368, 445, 460, 496, 548, 620, 685, 712, 713, 736, 890, 920, 992, 1096, 1240, 1370, 1424, 1426, 1780, 1840, 2047, 2192, 2480, 2740, 2759, 2848, 2852, 3151, 3560, 3565, 3680, 4094, 4247, 4384, 4960, 5480, 5518, 5704, 6302, 7120, 7130, 8188, 8494, 10235, 10960, 11036, 11408, 12193, 12604, 13795, 14240, 14260, 15755, 16376, 16988, 20470, 21235, 21920, 22072, 22816, 24386, 25208, 27590, 28520, 31510, 32752, 33976, 40940, 42470, 44144, 48772, 50416, 55180, 57040, 60965, 63020, 63457, 65504, 67952, 81880, 84940, 88288, 97544, 97681, 100832, 110360, 114080, 121930, 126040, 126914, 135904, 163760, 169880, 195088, 195362, 220720, 243860, 252080, 253828, 280439, 317285, 327520, 339760, 377983, 390176, 390724, 441440, 487720, 488405, 504160, 507656, 560878, 634570, 679520, 755966, 781448, 975440, 976810, 1015312, 1121756, 1269140, 1402195, 1511932, 1562896, 1889915, 1950880, 1953620, 2030624, 2243512, 2538280, 2804390, 3023864, 3125792, 3779830, 3907240, 4487024, 5076560, 5608780, 6047728, 7559660, 7814480, 8693609, 8974048, 10153120, 11217560, 12095456, 15119320, 15628960, 17387218, 22435120, 30238640, 34774436, 43468045, 44870240, 60477280, 69548872, 86936090, 139097744, 173872180, 278195488, 347744360, 695488720, 1390977440]

約数ペア:

[(1, 1390977440), (2, 695488720), (4, 347744360), (5, 278195488), (8, 173872180), (10, 139097744), (16, 86936090), (20, 69548872), (23, 60477280), (31, 44870240), (32, 43468045), (40, 34774436), (46, 30238640), (62, 22435120), (80, 17387218), (89, 15628960), (92, 15119320), (115, 12095456), (124, 11217560), (137, 10153120), (155, 8974048), (160, 8693609), (178, 7814480), (184, 7559660), (230, 6047728), (248, 5608780), (274, 5076560), (310, 4487024), (356, 3907240), (368, 3779830), (445, 3125792), (460, 3023864), (496, 2804390), (548, 2538280), (620, 2243512), (685, 2030624), (712, 1953620), (713, 1950880), (736, 1889915), (890, 1562896), (920, 1511932), (992, 1402195), (1096, 1269140), (1240, 1121756), (1370, 1015312), (1424, 976810), (1426, 975440), (1780, 781448), (1840, 755966), (2047, 679520), (2192, 634570), (2480, 560878), (2740, 507656), (2759, 504160), (2848, 488405), (2852, 487720), (3151, 441440), (3560, 390724), (3565, 390176), (3680, 377983), (4094, 339760), (4247, 327520), (4384, 317285), (4960, 280439), (5480, 253828), (5518, 252080), (5704, 243860), (6302, 220720), (7120, 195362), (7130, 195088), (8188, 169880), (8494, 163760), (10235, 135904), (10960, 126914), (11036, 126040), (11408, 121930), (12193, 114080), (12604, 110360), (13795, 100832), (14240, 97681), (14260, 97544), (15755, 88288), (16376, 84940), (16988, 81880), (20470, 67952), (21235, 65504), (21920, 63457), (22072, 63020), (22816, 60965), (24386, 57040), (25208, 55180), (27590, 50416), (28520, 48772), (31510, 44144), (32752, 42470), (33976, 40940)]