128698920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{51071}}^1$

素因数の和:51095

約数の個数: 96

約数和(自身を含む): 478033920

約数和(自身を除く): 349335000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 51071, 102142, 153213, 204284, 255355, 306426, 357497, 408568, 459639, 510710, 612852, 714994, 766065, 919278, 1021420, 1072491, 1225704, 1429988, 1532130, 1787485, 1838556, 2042840, 2144982, 2298195, 2859976, 3064260, 3217473, 3574970, 3677112, 4289964, 4596390, 5362455, 6128520, 6434946, 7149940, 8579928, 9192780, 10724910, 12869892, 14299880, 16087365, 18385560, 21449820, 25739784, 32174730, 42899640, 64349460, 128698920]

約数ペア:

[(1, 128698920), (2, 64349460), (3, 42899640), (4, 32174730), (5, 25739784), (6, 21449820), (7, 18385560), (8, 16087365), (9, 14299880), (10, 12869892), (12, 10724910), (14, 9192780), (15, 8579928), (18, 7149940), (20, 6434946), (21, 6128520), (24, 5362455), (28, 4596390), (30, 4289964), (35, 3677112), (36, 3574970), (40, 3217473), (42, 3064260), (45, 2859976), (56, 2298195), (60, 2144982), (63, 2042840), (70, 1838556), (72, 1787485), (84, 1532130), (90, 1429988), (105, 1225704), (120, 1072491), (126, 1021420), (140, 919278), (168, 766065), (180, 714994), (210, 612852), (252, 510710), (280, 459639), (315, 408568), (360, 357497), (420, 306426), (504, 255355), (630, 204284), (840, 153213), (1260, 102142), (2520, 51071)]