208163880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^2$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 693592380

約数和(自身を除く): 485428500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 73, 89, 90, 120, 146, 178, 180, 219, 267, 292, 356, 360, 365, 438, 445, 534, 584, 657, 712, 730, 801, 876, 890, 1068, 1095, 1314, 1335, 1460, 1602, 1752, 1780, 2136, 2190, 2628, 2670, 2920, 3204, 3285, 3560, 4005, 4380, 5256, 5340, 6408, 6497, 6570, 7921, 8010, 8760, 10680, 12994, 13140, 15842, 16020, 19491, 23763, 25988, 26280, 31684, 32040, 32485, 38982, 39605, 47526, 51976, 58473, 63368, 64970, 71289, 77964, 79210, 95052, 97455, 116946, 118815, 129940, 142578, 155928, 158420, 190104, 194910, 233892, 237630, 259880, 285156, 292365, 316840, 356445, 389820, 467784, 475260, 570312, 578233, 584730, 712890, 779640, 950520, 1156466, 1169460, 1425780, 1734699, 2312932, 2338920, 2851560, 2891165, 3469398, 4625864, 5204097, 5782330, 6938796, 8673495, 10408194, 11564660, 13877592, 17346990, 20816388, 23129320, 26020485, 34693980, 41632776, 52040970, 69387960, 104081940, 208163880]

約数ペア:

[(1, 208163880), (2, 104081940), (3, 69387960), (4, 52040970), (5, 41632776), (6, 34693980), (8, 26020485), (9, 23129320), (10, 20816388), (12, 17346990), (15, 13877592), (18, 11564660), (20, 10408194), (24, 8673495), (30, 6938796), (36, 5782330), (40, 5204097), (45, 4625864), (60, 3469398), (72, 2891165), (73, 2851560), (89, 2338920), (90, 2312932), (120, 1734699), (146, 1425780), (178, 1169460), (180, 1156466), (219, 950520), (267, 779640), (292, 712890), (356, 584730), (360, 578233), (365, 570312), (438, 475260), (445, 467784), (534, 389820), (584, 356445), (657, 316840), (712, 292365), (730, 285156), (801, 259880), (876, 237630), (890, 233892), (1068, 194910), (1095, 190104), (1314, 158420), (1335, 155928), (1460, 142578), (1602, 129940), (1752, 118815), (1780, 116946), (2136, 97455), (2190, 95052), (2628, 79210), (2670, 77964), (2920, 71289), (3204, 64970), (3285, 63368), (3560, 58473), (4005, 51976), (4380, 47526), (5256, 39605), (5340, 38982), (6408, 32485), (6497, 32040), (6570, 31684), (7921, 26280), (8010, 25988), (8760, 23763), (10680, 19491), (12994, 16020), (13140, 15842)]