61917660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:492

約数の個数: 144

約数和(自身を含む): 216705216

約数和(自身を除く): 154787556

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 157, 180, 210, 252, 313, 314, 315, 420, 471, 626, 628, 630, 785, 939, 942, 1099, 1252, 1260, 1413, 1565, 1570, 1878, 1884, 2191, 2198, 2355, 2817, 2826, 3130, 3140, 3297, 3756, 4382, 4396, 4695, 4710, 5495, 5634, 5652, 6260, 6573, 6594, 7065, 8764, 9390, 9420, 9891, 10955, 10990, 11268, 13146, 13188, 14085, 14130, 16485, 18780, 19719, 19782, 21910, 21980, 26292, 28170, 28260, 32865, 32970, 39438, 39564, 43820, 49141, 49455, 56340, 65730, 65940, 78876, 98282, 98595, 98910, 131460, 147423, 196564, 197190, 197820, 245705, 294846, 343987, 394380, 442269, 491410, 589692, 687974, 737115, 884538, 982820, 1031961, 1375948, 1474230, 1719935, 1769076, 2063922, 2211345, 2948460, 3095883, 3439870, 4127844, 4422690, 5159805, 6191766, 6879740, 8845380, 10319610, 12383532, 15479415, 20639220, 30958830, 61917660]

約数ペア:

[(1, 61917660), (2, 30958830), (3, 20639220), (4, 15479415), (5, 12383532), (6, 10319610), (7, 8845380), (9, 6879740), (10, 6191766), (12, 5159805), (14, 4422690), (15, 4127844), (18, 3439870), (20, 3095883), (21, 2948460), (28, 2211345), (30, 2063922), (35, 1769076), (36, 1719935), (42, 1474230), (45, 1375948), (60, 1031961), (63, 982820), (70, 884538), (84, 737115), (90, 687974), (105, 589692), (126, 491410), (140, 442269), (157, 394380), (180, 343987), (210, 294846), (252, 245705), (313, 197820), (314, 197190), (315, 196564), (420, 147423), (471, 131460), (626, 98910), (628, 98595), (630, 98282), (785, 78876), (939, 65940), (942, 65730), (1099, 56340), (1252, 49455), (1260, 49141), (1413, 43820), (1565, 39564), (1570, 39438), (1878, 32970), (1884, 32865), (2191, 28260), (2198, 28170), (2355, 26292), (2817, 21980), (2826, 21910), (3130, 19782), (3140, 19719), (3297, 18780), (3756, 16485), (4382, 14130), (4396, 14085), (4695, 13188), (4710, 13146), (5495, 11268), (5634, 10990), (5652, 10955), (6260, 9891), (6573, 9420), (6594, 9390), (7065, 8764)]