139662180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{557}}^1$

素因数の和:778

約数の個数: 144

約数和(自身を含む): 487468800

約数和(自身を除く): 347806620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 199, 210, 252, 315, 398, 420, 557, 597, 630, 796, 995, 1114, 1194, 1260, 1393, 1671, 1791, 1990, 2228, 2388, 2785, 2786, 2985, 3342, 3582, 3899, 3980, 4179, 5013, 5570, 5572, 5970, 6684, 6965, 7164, 7798, 8355, 8358, 8955, 10026, 11140, 11697, 11940, 12537, 13930, 15596, 16710, 16716, 17910, 19495, 20052, 20895, 23394, 25065, 25074, 27860, 33420, 35091, 35820, 38990, 41790, 46788, 50130, 50148, 58485, 62685, 70182, 77980, 83580, 100260, 110843, 116970, 125370, 140364, 175455, 221686, 233940, 250740, 332529, 350910, 443372, 554215, 665058, 701820, 775901, 997587, 1108430, 1330116, 1551802, 1662645, 1995174, 2216860, 2327703, 3103604, 3325290, 3879505, 3990348, 4655406, 4987935, 6650580, 6983109, 7759010, 9310812, 9975870, 11638515, 13966218, 15518020, 19951740, 23277030, 27932436, 34915545, 46554060, 69831090, 139662180]

約数ペア:

[(1, 139662180), (2, 69831090), (3, 46554060), (4, 34915545), (5, 27932436), (6, 23277030), (7, 19951740), (9, 15518020), (10, 13966218), (12, 11638515), (14, 9975870), (15, 9310812), (18, 7759010), (20, 6983109), (21, 6650580), (28, 4987935), (30, 4655406), (35, 3990348), (36, 3879505), (42, 3325290), (45, 3103604), (60, 2327703), (63, 2216860), (70, 1995174), (84, 1662645), (90, 1551802), (105, 1330116), (126, 1108430), (140, 997587), (180, 775901), (199, 701820), (210, 665058), (252, 554215), (315, 443372), (398, 350910), (420, 332529), (557, 250740), (597, 233940), (630, 221686), (796, 175455), (995, 140364), (1114, 125370), (1194, 116970), (1260, 110843), (1393, 100260), (1671, 83580), (1791, 77980), (1990, 70182), (2228, 62685), (2388, 58485), (2785, 50148), (2786, 50130), (2985, 46788), (3342, 41790), (3582, 38990), (3899, 35820), (3980, 35091), (4179, 33420), (5013, 27860), (5570, 25074), (5572, 25065), (5970, 23394), (6684, 20895), (6965, 20052), (7164, 19495), (7798, 17910), (8355, 16716), (8358, 16710), (8955, 15596), (10026, 13930), (11140, 12537), (11697, 11940)]