168748020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{673}}^1$

素因数の和:894

約数の個数: 144

約数和(自身を含む): 588806400

約数和(自身を除く): 420058380

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, 597, 630, 673, 796, 995, 1194, 1260, 1346, 1393, 1791, 1990, 2019, 2388, 2692, 2786, 2985, 3365, 3582, 3980, 4038, 4179, 4711, 5572, 5970, 6057, 6730, 6965, 7164, 8076, 8358, 8955, 9422, 10095, 11940, 12114, 12537, 13460, 13930, 14133, 16716, 17910, 18844, 20190, 20895, 23555, 24228, 25074, 27860, 28266, 30285, 35820, 40380, 41790, 42399, 47110, 50148, 56532, 60570, 62685, 70665, 83580, 84798, 94220, 121140, 125370, 133927, 141330, 169596, 211995, 250740, 267854, 282660, 401781, 423990, 535708, 669635, 803562, 847980, 937489, 1205343, 1339270, 1607124, 1874978, 2008905, 2410686, 2678540, 2812467, 3749956, 4017810, 4687445, 4821372, 5624934, 6026715, 8035620, 8437401, 9374890, 11249868, 12053430, 14062335, 16874802, 18749780, 24106860, 28124670, 33749604, 42187005, 56249340, 84374010, 168748020]

約数ペア:

[(1, 168748020), (2, 84374010), (3, 56249340), (4, 42187005), (5, 33749604), (6, 28124670), (7, 24106860), (9, 18749780), (10, 16874802), (12, 14062335), (14, 12053430), (15, 11249868), (18, 9374890), (20, 8437401), (21, 8035620), (28, 6026715), (30, 5624934), (35, 4821372), (36, 4687445), (42, 4017810), (45, 3749956), (60, 2812467), (63, 2678540), (70, 2410686), (84, 2008905), (90, 1874978), (105, 1607124), (126, 1339270), (140, 1205343), (180, 937489), (199, 847980), (210, 803562), (252, 669635), (315, 535708), (398, 423990), (420, 401781), (597, 282660), (630, 267854), (673, 250740), (796, 211995), (995, 169596), (1194, 141330), (1260, 133927), (1346, 125370), (1393, 121140), (1791, 94220), (1990, 84798), (2019, 83580), (2388, 70665), (2692, 62685), (2786, 60570), (2985, 56532), (3365, 50148), (3582, 47110), (3980, 42399), (4038, 41790), (4179, 40380), (4711, 35820), (5572, 30285), (5970, 28266), (6057, 27860), (6730, 25074), (6965, 24228), (7164, 23555), (8076, 20895), (8358, 20190), (8955, 18844), (9422, 17910), (10095, 16716), (11940, 14133), (12114, 13930), (12537, 13460)]