128449120

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:141

約数の個数: 192

約数和(自身を含む): 348364800

約数和(自身を除く): 219915680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 31, 32, 38, 40, 47, 58, 62, 76, 80, 94, 95, 116, 124, 145, 152, 155, 160, 188, 190, 232, 235, 248, 290, 304, 310, 376, 380, 464, 470, 496, 551, 580, 589, 608, 620, 752, 760, 893, 899, 928, 940, 992, 1102, 1160, 1178, 1240, 1363, 1457, 1504, 1520, 1786, 1798, 1880, 2204, 2320, 2356, 2480, 2726, 2755, 2914, 2945, 3040, 3572, 3596, 3760, 4408, 4465, 4495, 4640, 4712, 4960, 5452, 5510, 5828, 5890, 6815, 7144, 7192, 7285, 7520, 8816, 8930, 8990, 9424, 10904, 11020, 11656, 11780, 13630, 14288, 14384, 14570, 17081, 17632, 17860, 17980, 18848, 21808, 22040, 23312, 23560, 25897, 27260, 27683, 28576, 28768, 29140, 34162, 35720, 35960, 42253, 43616, 44080, 46624, 47120, 51794, 54520, 55366, 58280, 68324, 71440, 71920, 84506, 85405, 88160, 94240, 103588, 109040, 110732, 116560, 129485, 136648, 138415, 142880, 143840, 169012, 170810, 207176, 211265, 218080, 221464, 233120, 258970, 273296, 276830, 338024, 341620, 414352, 422530, 442928, 517940, 546592, 553660, 676048, 683240, 802807, 828704, 845060, 885856, 1035880, 1107320, 1352096, 1366480, 1605614, 1690120, 2071760, 2214640, 2732960, 3211228, 3380240, 4014035, 4143520, 4429280, 6422456, 6760480, 8028070, 12844912, 16056140, 25689824, 32112280, 64224560, 128449120]

約数ペア:

[(1, 128449120), (2, 64224560), (4, 32112280), (5, 25689824), (8, 16056140), (10, 12844912), (16, 8028070), (19, 6760480), (20, 6422456), (29, 4429280), (31, 4143520), (32, 4014035), (38, 3380240), (40, 3211228), (47, 2732960), (58, 2214640), (62, 2071760), (76, 1690120), (80, 1605614), (94, 1366480), (95, 1352096), (116, 1107320), (124, 1035880), (145, 885856), (152, 845060), (155, 828704), (160, 802807), (188, 683240), (190, 676048), (232, 553660), (235, 546592), (248, 517940), (290, 442928), (304, 422530), (310, 414352), (376, 341620), (380, 338024), (464, 276830), (470, 273296), (496, 258970), (551, 233120), (580, 221464), (589, 218080), (608, 211265), (620, 207176), (752, 170810), (760, 169012), (893, 143840), (899, 142880), (928, 138415), (940, 136648), (992, 129485), (1102, 116560), (1160, 110732), (1178, 109040), (1240, 103588), (1363, 94240), (1457, 88160), (1504, 85405), (1520, 84506), (1786, 71920), (1798, 71440), (1880, 68324), (2204, 58280), (2320, 55366), (2356, 54520), (2480, 51794), (2726, 47120), (2755, 46624), (2914, 44080), (2945, 43616), (3040, 42253), (3572, 35960), (3596, 35720), (3760, 34162), (4408, 29140), (4465, 28768), (4495, 28576), (4640, 27683), (4712, 27260), (4960, 25897), (5452, 23560), (5510, 23312), (5828, 22040), (5890, 21808), (6815, 18848), (7144, 17980), (7192, 17860), (7285, 17632), (7520, 17081), (8816, 14570), (8930, 14384), (8990, 14288), (9424, 13630), (10904, 11780), (11020, 11656)]