1228920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:58

約数の個数: 192

約数和(自身を含む): 4924800

約数和(自身を除く): 3695880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 19, 20, 21, 22, 24, 28, 30, 33, 35, 38, 40, 42, 44, 49, 55, 56, 57, 60, 66, 70, 76, 77, 84, 88, 95, 98, 105, 110, 114, 120, 132, 133, 140, 147, 152, 154, 165, 168, 190, 196, 209, 210, 220, 228, 231, 245, 264, 266, 280, 285, 294, 308, 330, 380, 385, 392, 399, 418, 420, 440, 456, 462, 490, 532, 539, 570, 588, 616, 627, 660, 665, 735, 760, 770, 798, 836, 840, 924, 931, 980, 1045, 1064, 1078, 1140, 1155, 1176, 1254, 1320, 1330, 1463, 1470, 1540, 1596, 1617, 1672, 1848, 1862, 1960, 1995, 2090, 2156, 2280, 2310, 2508, 2660, 2695, 2793, 2926, 2940, 3080, 3135, 3192, 3234, 3724, 3990, 4180, 4312, 4389, 4620, 4655, 5016, 5320, 5390, 5586, 5852, 5880, 6270, 6468, 7315, 7448, 7980, 8085, 8360, 8778, 9240, 9310, 10241, 10780, 11172, 11704, 12540, 12936, 13965, 14630, 15960, 16170, 17556, 18620, 20482, 21560, 21945, 22344, 25080, 27930, 29260, 30723, 32340, 35112, 37240, 40964, 43890, 51205, 55860, 58520, 61446, 64680, 81928, 87780, 102410, 111720, 122892, 153615, 175560, 204820, 245784, 307230, 409640, 614460, 1228920]

約数ペア:

[(1, 1228920), (2, 614460), (3, 409640), (4, 307230), (5, 245784), (6, 204820), (7, 175560), (8, 153615), (10, 122892), (11, 111720), (12, 102410), (14, 87780), (15, 81928), (19, 64680), (20, 61446), (21, 58520), (22, 55860), (24, 51205), (28, 43890), (30, 40964), (33, 37240), (35, 35112), (38, 32340), (40, 30723), (42, 29260), (44, 27930), (49, 25080), (55, 22344), (56, 21945), (57, 21560), (60, 20482), (66, 18620), (70, 17556), (76, 16170), (77, 15960), (84, 14630), (88, 13965), (95, 12936), (98, 12540), (105, 11704), (110, 11172), (114, 10780), (120, 10241), (132, 9310), (133, 9240), (140, 8778), (147, 8360), (152, 8085), (154, 7980), (165, 7448), (168, 7315), (190, 6468), (196, 6270), (209, 5880), (210, 5852), (220, 5586), (228, 5390), (231, 5320), (245, 5016), (264, 4655), (266, 4620), (280, 4389), (285, 4312), (294, 4180), (308, 3990), (330, 3724), (380, 3234), (385, 3192), (392, 3135), (399, 3080), (418, 2940), (420, 2926), (440, 2793), (456, 2695), (462, 2660), (490, 2508), (532, 2310), (539, 2280), (570, 2156), (588, 2090), (616, 1995), (627, 1960), (660, 1862), (665, 1848), (735, 1672), (760, 1617), (770, 1596), (798, 1540), (836, 1470), (840, 1463), (924, 1330), (931, 1320), (980, 1254), (1045, 1176), (1064, 1155), (1078, 1140)]