51234540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{613}}^1$

素因数の和:831

約数の個数: 96

約数和(自身を含む): 165043200

約数和(自身を除く): 113808660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 199, 210, 398, 420, 597, 613, 796, 995, 1194, 1226, 1393, 1839, 1990, 2388, 2452, 2786, 2985, 3065, 3678, 3980, 4179, 4291, 5572, 5970, 6130, 6965, 7356, 8358, 8582, 9195, 11940, 12260, 12873, 13930, 16716, 17164, 18390, 20895, 21455, 25746, 27860, 36780, 41790, 42910, 51492, 64365, 83580, 85820, 121987, 128730, 243974, 257460, 365961, 487948, 609935, 731922, 853909, 1219870, 1463844, 1707818, 1829805, 2439740, 2561727, 3415636, 3659610, 4269545, 5123454, 7319220, 8539090, 10246908, 12808635, 17078180, 25617270, 51234540]

約数ペア:

[(1, 51234540), (2, 25617270), (3, 17078180), (4, 12808635), (5, 10246908), (6, 8539090), (7, 7319220), (10, 5123454), (12, 4269545), (14, 3659610), (15, 3415636), (20, 2561727), (21, 2439740), (28, 1829805), (30, 1707818), (35, 1463844), (42, 1219870), (60, 853909), (70, 731922), (84, 609935), (105, 487948), (140, 365961), (199, 257460), (210, 243974), (398, 128730), (420, 121987), (597, 85820), (613, 83580), (796, 64365), (995, 51492), (1194, 42910), (1226, 41790), (1393, 36780), (1839, 27860), (1990, 25746), (2388, 21455), (2452, 20895), (2786, 18390), (2985, 17164), (3065, 16716), (3678, 13930), (3980, 12873), (4179, 12260), (4291, 11940), (5572, 9195), (5970, 8582), (6130, 8358), (6965, 7356)]