489287760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{156823}}^1$

素因数の和:156852

約数の個数: 80

約数和(自身を含む): 1633478784

約数和(自身を除く): 1144191024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 156823, 313646, 470469, 627292, 784115, 940938, 1254584, 1568230, 1881876, 2038699, 2352345, 2509168, 3136460, 3763752, 4077398, 4704690, 6116097, 6272920, 7527504, 8154796, 9409380, 10193495, 12232194, 12545840, 16309592, 18818760, 20386990, 24464388, 30580485, 32619184, 37637520, 40773980, 48928776, 61160970, 81547960, 97857552, 122321940, 163095920, 244643880, 489287760]

約数ペア:

[(1, 489287760), (2, 244643880), (3, 163095920), (4, 122321940), (5, 97857552), (6, 81547960), (8, 61160970), (10, 48928776), (12, 40773980), (13, 37637520), (15, 32619184), (16, 30580485), (20, 24464388), (24, 20386990), (26, 18818760), (30, 16309592), (39, 12545840), (40, 12232194), (48, 10193495), (52, 9409380), (60, 8154796), (65, 7527504), (78, 6272920), (80, 6116097), (104, 4704690), (120, 4077398), (130, 3763752), (156, 3136460), (195, 2509168), (208, 2352345), (240, 2038699), (260, 1881876), (312, 1568230), (390, 1254584), (520, 940938), (624, 784115), (780, 627292), (1040, 470469), (1560, 313646), (3120, 156823)]