1920668880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{615599}}^1$

素因数の和:615628

約数の個数: 80

約数和(自身を含む): 6412089600

約数和(自身を除く): 4491420720

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, 615599, 1231198, 1846797, 2462396, 3077995, 3693594, 4924792, 6155990, 7387188, 8002787, 9233985, 9849584, 12311980, 14774376, 16005574, 18467970, 24008361, 24623960, 29548752, 32011148, 36935940, 40013935, 48016722, 49247920, 64022296, 73871880, 80027870, 96033444, 120041805, 128044592, 147743760, 160055740, 192066888, 240083610, 320111480, 384133776, 480167220, 640222960, 960334440, 1920668880]

約数ペア:

[(1, 1920668880), (2, 960334440), (3, 640222960), (4, 480167220), (5, 384133776), (6, 320111480), (8, 240083610), (10, 192066888), (12, 160055740), (13, 147743760), (15, 128044592), (16, 120041805), (20, 96033444), (24, 80027870), (26, 73871880), (30, 64022296), (39, 49247920), (40, 48016722), (48, 40013935), (52, 36935940), (60, 32011148), (65, 29548752), (78, 24623960), (80, 24008361), (104, 18467970), (120, 16005574), (130, 14774376), (156, 12311980), (195, 9849584), (208, 9233985), (240, 8002787), (260, 7387188), (312, 6155990), (390, 4924792), (520, 3693594), (624, 3077995), (780, 2462396), (1040, 1846797), (1560, 1231198), (3120, 615599)]