1279897380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{374239}}^1$

素因数の和:374273

約数の個数: 72

約数和(自身を含む): 4086700800

約数和(自身を除く): 2806803420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 374239, 748478, 1122717, 1496956, 1871195, 2245434, 3368151, 3742390, 4490868, 5613585, 6736302, 7110541, 7484780, 11227170, 13472604, 14221082, 16840755, 21331623, 22454340, 28442164, 33681510, 35552705, 42663246, 63994869, 67363020, 71105410, 85326492, 106658115, 127989738, 142210820, 213316230, 255979476, 319974345, 426632460, 639948690, 1279897380]

約数ペア:

[(1, 1279897380), (2, 639948690), (3, 426632460), (4, 319974345), (5, 255979476), (6, 213316230), (9, 142210820), (10, 127989738), (12, 106658115), (15, 85326492), (18, 71105410), (19, 67363020), (20, 63994869), (30, 42663246), (36, 35552705), (38, 33681510), (45, 28442164), (57, 22454340), (60, 21331623), (76, 16840755), (90, 14221082), (95, 13472604), (114, 11227170), (171, 7484780), (180, 7110541), (190, 6736302), (228, 5613585), (285, 4490868), (342, 3742390), (380, 3368151), (570, 2245434), (684, 1871195), (855, 1496956), (1140, 1122717), (1710, 748478), (3420, 374239)]