28320640

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:192

約数の個数: 128

約数和(自身を含む): 76010400

約数和(自身を除く): 47689760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 137, 152, 160, 170, 190, 272, 274, 304, 320, 323, 340, 380, 544, 548, 608, 640, 646, 680, 685, 760, 1088, 1096, 1216, 1292, 1360, 1370, 1520, 1615, 2176, 2192, 2329, 2432, 2584, 2603, 2720, 2740, 3040, 3230, 4384, 4658, 5168, 5206, 5440, 5480, 6080, 6460, 8768, 9316, 10336, 10412, 10880, 10960, 11645, 12160, 12920, 13015, 17536, 18632, 20672, 20824, 21920, 23290, 25840, 26030, 37264, 41344, 41648, 43840, 44251, 46580, 51680, 52060, 74528, 83296, 87680, 88502, 93160, 103360, 104120, 149056, 166592, 177004, 186320, 206720, 208240, 221255, 298112, 333184, 354008, 372640, 416480, 442510, 708016, 745280, 832960, 885020, 1416032, 1490560, 1665920, 1770040, 2832064, 3540080, 5664128, 7080160, 14160320, 28320640]

約数ペア:

[(1, 28320640), (2, 14160320), (4, 7080160), (5, 5664128), (8, 3540080), (10, 2832064), (16, 1770040), (17, 1665920), (19, 1490560), (20, 1416032), (32, 885020), (34, 832960), (38, 745280), (40, 708016), (64, 442510), (68, 416480), (76, 372640), (80, 354008), (85, 333184), (95, 298112), (128, 221255), (136, 208240), (137, 206720), (152, 186320), (160, 177004), (170, 166592), (190, 149056), (272, 104120), (274, 103360), (304, 93160), (320, 88502), (323, 87680), (340, 83296), (380, 74528), (544, 52060), (548, 51680), (608, 46580), (640, 44251), (646, 43840), (680, 41648), (685, 41344), (760, 37264), (1088, 26030), (1096, 25840), (1216, 23290), (1292, 21920), (1360, 20824), (1370, 20672), (1520, 18632), (1615, 17536), (2176, 13015), (2192, 12920), (2329, 12160), (2432, 11645), (2584, 10960), (2603, 10880), (2720, 10412), (2740, 10336), (3040, 9316), (3230, 8768), (4384, 6460), (4658, 6080), (5168, 5480), (5206, 5440)]