281249460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:518

約数の個数: 144

約数和(自身を含む): 882161280

約数和(自身を除く): 600911820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 71, 90, 118, 142, 177, 180, 213, 236, 284, 295, 354, 355, 373, 426, 531, 590, 639, 708, 710, 746, 852, 885, 1062, 1065, 1119, 1180, 1278, 1420, 1492, 1770, 1865, 2124, 2130, 2238, 2556, 2655, 3195, 3357, 3540, 3730, 4189, 4260, 4476, 5310, 5595, 6390, 6714, 7460, 8378, 10620, 11190, 12567, 12780, 13428, 16756, 16785, 20945, 22007, 22380, 25134, 26483, 33570, 37701, 41890, 44014, 50268, 52966, 62835, 66021, 67140, 75402, 79449, 83780, 88028, 105932, 110035, 125670, 132042, 132415, 150804, 158898, 188505, 198063, 220070, 238347, 251340, 264084, 264830, 317796, 330105, 377010, 396126, 397245, 440140, 476694, 529660, 660210, 754020, 792252, 794490, 953388, 990315, 1191735, 1320420, 1562497, 1588980, 1980630, 2383470, 3124994, 3961260, 4687491, 4766940, 6249988, 7812485, 9374982, 14062473, 15624970, 18749964, 23437455, 28124946, 31249940, 46874910, 56249892, 70312365, 93749820, 140624730, 281249460]

約数ペア:

[(1, 281249460), (2, 140624730), (3, 93749820), (4, 70312365), (5, 56249892), (6, 46874910), (9, 31249940), (10, 28124946), (12, 23437455), (15, 18749964), (18, 15624970), (20, 14062473), (30, 9374982), (36, 7812485), (45, 6249988), (59, 4766940), (60, 4687491), (71, 3961260), (90, 3124994), (118, 2383470), (142, 1980630), (177, 1588980), (180, 1562497), (213, 1320420), (236, 1191735), (284, 990315), (295, 953388), (354, 794490), (355, 792252), (373, 754020), (426, 660210), (531, 529660), (590, 476694), (639, 440140), (708, 397245), (710, 396126), (746, 377010), (852, 330105), (885, 317796), (1062, 264830), (1065, 264084), (1119, 251340), (1180, 238347), (1278, 220070), (1420, 198063), (1492, 188505), (1770, 158898), (1865, 150804), (2124, 132415), (2130, 132042), (2238, 125670), (2556, 110035), (2655, 105932), (3195, 88028), (3357, 83780), (3540, 79449), (3730, 75402), (4189, 67140), (4260, 66021), (4476, 62835), (5310, 52966), (5595, 50268), (6390, 44014), (6714, 41890), (7460, 37701), (8378, 33570), (10620, 26483), (11190, 25134), (12567, 22380), (12780, 22007), (13428, 20945), (16756, 16785)]