198231720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:1035

約数の個数: 128

約数和(自身を含む): 624032640

約数和(自身を除く): 425800920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 43, 60, 82, 86, 120, 123, 129, 164, 172, 205, 215, 246, 258, 328, 344, 410, 430, 492, 516, 615, 645, 820, 860, 937, 984, 1032, 1230, 1290, 1640, 1720, 1763, 1874, 2460, 2580, 2811, 3526, 3748, 4685, 4920, 5160, 5289, 5622, 7052, 7496, 8815, 9370, 10578, 11244, 14055, 14104, 17630, 18740, 21156, 22488, 26445, 28110, 35260, 37480, 38417, 40291, 42312, 52890, 56220, 70520, 76834, 80582, 105780, 112440, 115251, 120873, 153668, 161164, 192085, 201455, 211560, 230502, 241746, 307336, 322328, 384170, 402910, 461004, 483492, 576255, 604365, 768340, 805820, 922008, 966984, 1152510, 1208730, 1536680, 1611640, 1651931, 2305020, 2417460, 3303862, 4610040, 4834920, 4955793, 6607724, 8259655, 9911586, 13215448, 16519310, 19823172, 24778965, 33038620, 39646344, 49557930, 66077240, 99115860, 198231720]

約数ペア:

[(1, 198231720), (2, 99115860), (3, 66077240), (4, 49557930), (5, 39646344), (6, 33038620), (8, 24778965), (10, 19823172), (12, 16519310), (15, 13215448), (20, 9911586), (24, 8259655), (30, 6607724), (40, 4955793), (41, 4834920), (43, 4610040), (60, 3303862), (82, 2417460), (86, 2305020), (120, 1651931), (123, 1611640), (129, 1536680), (164, 1208730), (172, 1152510), (205, 966984), (215, 922008), (246, 805820), (258, 768340), (328, 604365), (344, 576255), (410, 483492), (430, 461004), (492, 402910), (516, 384170), (615, 322328), (645, 307336), (820, 241746), (860, 230502), (937, 211560), (984, 201455), (1032, 192085), (1230, 161164), (1290, 153668), (1640, 120873), (1720, 115251), (1763, 112440), (1874, 105780), (2460, 80582), (2580, 76834), (2811, 70520), (3526, 56220), (3748, 52890), (4685, 42312), (4920, 40291), (5160, 38417), (5289, 37480), (5622, 35260), (7052, 28110), (7496, 26445), (8815, 22488), (9370, 21156), (10578, 18740), (11244, 17630), (14055, 14104)]