30821490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:297

約数の個数: 144

約数和(自身を含む): 96833880

約数和(自身を除く): 66012390

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 29, 30, 35, 42, 45, 49, 58, 63, 70, 87, 90, 98, 105, 126, 145, 147, 174, 203, 210, 241, 245, 261, 290, 294, 315, 406, 435, 441, 482, 490, 522, 609, 630, 723, 735, 870, 882, 1015, 1205, 1218, 1305, 1421, 1446, 1470, 1687, 1827, 2030, 2169, 2205, 2410, 2610, 2842, 3045, 3374, 3615, 3654, 4263, 4338, 4410, 5061, 6090, 6989, 7105, 7230, 8435, 8526, 9135, 10122, 10845, 11809, 12789, 13978, 14210, 15183, 16870, 18270, 20967, 21315, 21690, 23618, 25305, 25578, 30366, 34945, 35427, 41934, 42630, 48923, 50610, 59045, 62901, 63945, 69890, 70854, 75915, 97846, 104835, 106281, 118090, 125802, 127890, 146769, 151830, 177135, 209670, 212562, 244615, 293538, 314505, 342461, 354270, 440307, 489230, 531405, 629010, 684922, 733845, 880614, 1027383, 1062810, 1467690, 1712305, 2054766, 2201535, 3082149, 3424610, 4403070, 5136915, 6164298, 10273830, 15410745, 30821490]

約数ペア:

[(1, 30821490), (2, 15410745), (3, 10273830), (5, 6164298), (6, 5136915), (7, 4403070), (9, 3424610), (10, 3082149), (14, 2201535), (15, 2054766), (18, 1712305), (21, 1467690), (29, 1062810), (30, 1027383), (35, 880614), (42, 733845), (45, 684922), (49, 629010), (58, 531405), (63, 489230), (70, 440307), (87, 354270), (90, 342461), (98, 314505), (105, 293538), (126, 244615), (145, 212562), (147, 209670), (174, 177135), (203, 151830), (210, 146769), (241, 127890), (245, 125802), (261, 118090), (290, 106281), (294, 104835), (315, 97846), (406, 75915), (435, 70854), (441, 69890), (482, 63945), (490, 62901), (522, 59045), (609, 50610), (630, 48923), (723, 42630), (735, 41934), (870, 35427), (882, 34945), (1015, 30366), (1205, 25578), (1218, 25305), (1305, 23618), (1421, 21690), (1446, 21315), (1470, 20967), (1687, 18270), (1827, 16870), (2030, 15183), (2169, 14210), (2205, 13978), (2410, 12789), (2610, 11809), (2842, 10845), (3045, 10122), (3374, 9135), (3615, 8526), (3654, 8435), (4263, 7230), (4338, 7105), (4410, 6989), (5061, 6090)]