654225520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:363

約数の個数: 160

約数和(自身を含む): 1710515520

約数和(自身を除く): 1056290000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 67, 80, 82, 104, 130, 134, 164, 205, 208, 229, 260, 268, 328, 335, 410, 458, 520, 533, 536, 656, 670, 820, 871, 916, 1040, 1066, 1072, 1145, 1340, 1640, 1742, 1832, 2132, 2290, 2665, 2680, 2747, 2977, 3280, 3484, 3664, 4264, 4355, 4580, 5330, 5360, 5494, 5954, 6968, 8528, 8710, 9160, 9389, 10660, 10988, 11908, 13735, 13936, 14885, 15343, 17420, 18320, 18778, 21320, 21976, 23816, 27470, 29770, 30686, 34840, 35711, 37556, 42640, 43952, 46945, 47632, 54940, 59540, 61372, 69680, 71422, 75112, 76715, 93890, 109880, 119080, 122057, 122744, 142844, 150224, 153430, 178555, 187780, 199459, 219760, 238160, 244114, 245488, 285688, 306860, 357110, 375560, 398918, 488228, 571376, 610285, 613720, 629063, 714220, 751120, 797836, 976456, 997295, 1220570, 1227440, 1258126, 1428440, 1595672, 1952912, 1994590, 2441140, 2516252, 2856880, 3145315, 3191344, 3989180, 4882280, 5032504, 6290630, 7978360, 8177819, 9764560, 10065008, 12581260, 15956720, 16355638, 25162520, 32711276, 40889095, 50325040, 65422552, 81778190, 130845104, 163556380, 327112760, 654225520]

約数ペア:

[(1, 654225520), (2, 327112760), (4, 163556380), (5, 130845104), (8, 81778190), (10, 65422552), (13, 50325040), (16, 40889095), (20, 32711276), (26, 25162520), (40, 16355638), (41, 15956720), (52, 12581260), (65, 10065008), (67, 9764560), (80, 8177819), (82, 7978360), (104, 6290630), (130, 5032504), (134, 4882280), (164, 3989180), (205, 3191344), (208, 3145315), (229, 2856880), (260, 2516252), (268, 2441140), (328, 1994590), (335, 1952912), (410, 1595672), (458, 1428440), (520, 1258126), (533, 1227440), (536, 1220570), (656, 997295), (670, 976456), (820, 797836), (871, 751120), (916, 714220), (1040, 629063), (1066, 613720), (1072, 610285), (1145, 571376), (1340, 488228), (1640, 398918), (1742, 375560), (1832, 357110), (2132, 306860), (2290, 285688), (2665, 245488), (2680, 244114), (2747, 238160), (2977, 219760), (3280, 199459), (3484, 187780), (3664, 178555), (4264, 153430), (4355, 150224), (4580, 142844), (5330, 122744), (5360, 122057), (5494, 119080), (5954, 109880), (6968, 93890), (8528, 76715), (8710, 75112), (9160, 71422), (9389, 69680), (10660, 61372), (10988, 59540), (11908, 54940), (13735, 47632), (13936, 46945), (14885, 43952), (15343, 42640), (17420, 37556), (18320, 35711), (18778, 34840), (21320, 30686), (21976, 29770), (23816, 27470)]