491820120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41399}}^1$

素因数の和:41430

約数の個数: 128

約数和(自身を含む): 1788480000

約数和(自身を除く): 1296659880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1980, 2376, 2970, 3960, 5940, 11880, 41399, 82798, 124197, 165596, 206995, 248394, 331192, 372591, 413990, 455389, 496788, 620985, 745182, 827980, 910778, 993576, 1117773, 1241970, 1366167, 1490364, 1655960, 1821556, 1862955, 2235546, 2276945, 2483940, 2732334, 2980728, 3643112, 3725910, 4098501, 4471092, 4553890, 4967880, 5464668, 5588865, 6830835, 7451820, 8197002, 8942184, 9107780, 10929336, 11177730, 12295503, 13661670, 14903640, 16394004, 18215560, 20492505, 22355460, 24591006, 27323340, 32788008, 40985010, 44710920, 49182012, 54646680, 61477515, 81970020, 98364024, 122955030, 163940040, 245910060, 491820120]

約数ペア:

[(1, 491820120), (2, 245910060), (3, 163940040), (4, 122955030), (5, 98364024), (6, 81970020), (8, 61477515), (9, 54646680), (10, 49182012), (11, 44710920), (12, 40985010), (15, 32788008), (18, 27323340), (20, 24591006), (22, 22355460), (24, 20492505), (27, 18215560), (30, 16394004), (33, 14903640), (36, 13661670), (40, 12295503), (44, 11177730), (45, 10929336), (54, 9107780), (55, 8942184), (60, 8197002), (66, 7451820), (72, 6830835), (88, 5588865), (90, 5464668), (99, 4967880), (108, 4553890), (110, 4471092), (120, 4098501), (132, 3725910), (135, 3643112), (165, 2980728), (180, 2732334), (198, 2483940), (216, 2276945), (220, 2235546), (264, 1862955), (270, 1821556), (297, 1655960), (330, 1490364), (360, 1366167), (396, 1241970), (440, 1117773), (495, 993576), (540, 910778), (594, 827980), (660, 745182), (792, 620985), (990, 496788), (1080, 455389), (1188, 413990), (1320, 372591), (1485, 331192), (1980, 248394), (2376, 206995), (2970, 165596), (3960, 124197), (5940, 82798), (11880, 41399)]