19646880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^2$

素因数の和:151

約数の個数: 144

約数和(自身を含む): 68638752

約数和(自身を除く): 48991872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 61, 66, 80, 88, 96, 110, 120, 122, 132, 160, 165, 176, 183, 220, 240, 244, 264, 305, 330, 352, 366, 440, 480, 488, 528, 610, 660, 671, 732, 880, 915, 976, 1056, 1220, 1320, 1342, 1464, 1760, 1830, 1952, 2013, 2440, 2640, 2684, 2928, 3355, 3660, 3721, 4026, 4880, 5280, 5368, 5856, 6710, 7320, 7442, 8052, 9760, 10065, 10736, 11163, 13420, 14640, 14884, 16104, 18605, 20130, 21472, 22326, 26840, 29280, 29768, 32208, 37210, 40260, 40931, 44652, 53680, 55815, 59536, 64416, 74420, 80520, 81862, 89304, 107360, 111630, 119072, 122793, 148840, 161040, 163724, 178608, 204655, 223260, 245586, 297680, 322080, 327448, 357216, 409310, 446520, 491172, 595360, 613965, 654896, 818620, 893040, 982344, 1227930, 1309792, 1637240, 1786080, 1964688, 2455860, 3274480, 3929376, 4911720, 6548960, 9823440, 19646880]

約数ペア:

[(1, 19646880), (2, 9823440), (3, 6548960), (4, 4911720), (5, 3929376), (6, 3274480), (8, 2455860), (10, 1964688), (11, 1786080), (12, 1637240), (15, 1309792), (16, 1227930), (20, 982344), (22, 893040), (24, 818620), (30, 654896), (32, 613965), (33, 595360), (40, 491172), (44, 446520), (48, 409310), (55, 357216), (60, 327448), (61, 322080), (66, 297680), (80, 245586), (88, 223260), (96, 204655), (110, 178608), (120, 163724), (122, 161040), (132, 148840), (160, 122793), (165, 119072), (176, 111630), (183, 107360), (220, 89304), (240, 81862), (244, 80520), (264, 74420), (305, 64416), (330, 59536), (352, 55815), (366, 53680), (440, 44652), (480, 40931), (488, 40260), (528, 37210), (610, 32208), (660, 29768), (671, 29280), (732, 26840), (880, 22326), (915, 21472), (976, 20130), (1056, 18605), (1220, 16104), (1320, 14884), (1342, 14640), (1464, 13420), (1760, 11163), (1830, 10736), (1952, 10065), (2013, 9760), (2440, 8052), (2640, 7442), (2684, 7320), (2928, 6710), (3355, 5856), (3660, 5368), (3721, 5280), (4026, 4880)]