68452020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:244

約数の個数: 288

約数和(自身を含む): 268128000

約数和(自身を除く): 199675980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 49, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 108, 117, 126, 130, 135, 140, 147, 156, 180, 182, 189, 195, 196, 199, 210, 234, 245, 252, 260, 270, 273, 294, 315, 351, 364, 378, 390, 398, 420, 441, 455, 468, 490, 540, 546, 585, 588, 597, 630, 637, 702, 735, 756, 780, 796, 819, 882, 910, 945, 980, 995, 1092, 1170, 1194, 1260, 1274, 1323, 1365, 1393, 1404, 1470, 1638, 1755, 1764, 1791, 1820, 1890, 1911, 1990, 2205, 2340, 2388, 2457, 2548, 2587, 2646, 2730, 2786, 2940, 2985, 3185, 3276, 3510, 3582, 3780, 3822, 3980, 4095, 4179, 4410, 4914, 5174, 5292, 5373, 5460, 5572, 5733, 5970, 6370, 6615, 6965, 7020, 7164, 7644, 7761, 8190, 8358, 8820, 8955, 9555, 9751, 9828, 10348, 10746, 11466, 11940, 12285, 12537, 12740, 12935, 13230, 13930, 15522, 16380, 16716, 17199, 17910, 18109, 19110, 19502, 20895, 21492, 22932, 23283, 24570, 25074, 25870, 26460, 26865, 27860, 28665, 29253, 31044, 34398, 35820, 36218, 37611, 38220, 38805, 39004, 41790, 46566, 48755, 49140, 50148, 51740, 53730, 54327, 57330, 58506, 62685, 68796, 69849, 72436, 75222, 77610, 83580, 85995, 87759, 90545, 93132, 97510, 107460, 108654, 114660, 116415, 117012, 125370, 126763, 139698, 146265, 150444, 155220, 162981, 171990, 175518, 181090, 188055, 195020, 217308, 232830, 250740, 253526, 263277, 271635, 279396, 292530, 325962, 343980, 349245, 351036, 362180, 376110, 380289, 438795, 465660, 488943, 507052, 526554, 543270, 585060, 633815, 651924, 698490, 752220, 760578, 814905, 877590, 977886, 1053108, 1086540, 1140867, 1267630, 1316385, 1396980, 1521156, 1629810, 1755180, 1901445, 1955772, 2281734, 2444715, 2535260, 2632770, 3259620, 3422601, 3802890, 4563468, 4889430, 5265540, 5704335, 6845202, 7605780, 9778860, 11408670, 13690404, 17113005, 22817340, 34226010, 68452020]

約数ペア:

[(1, 68452020), (2, 34226010), (3, 22817340), (4, 17113005), (5, 13690404), (6, 11408670), (7, 9778860), (9, 7605780), (10, 6845202), (12, 5704335), (13, 5265540), (14, 4889430), (15, 4563468), (18, 3802890), (20, 3422601), (21, 3259620), (26, 2632770), (27, 2535260), (28, 2444715), (30, 2281734), (35, 1955772), (36, 1901445), (39, 1755180), (42, 1629810), (45, 1521156), (49, 1396980), (52, 1316385), (54, 1267630), (60, 1140867), (63, 1086540), (65, 1053108), (70, 977886), (78, 877590), (84, 814905), (90, 760578), (91, 752220), (98, 698490), (105, 651924), (108, 633815), (117, 585060), (126, 543270), (130, 526554), (135, 507052), (140, 488943), (147, 465660), (156, 438795), (180, 380289), (182, 376110), (189, 362180), (195, 351036), (196, 349245), (199, 343980), (210, 325962), (234, 292530), (245, 279396), (252, 271635), (260, 263277), (270, 253526), (273, 250740), (294, 232830), (315, 217308), (351, 195020), (364, 188055), (378, 181090), (390, 175518), (398, 171990), (420, 162981), (441, 155220), (455, 150444), (468, 146265), (490, 139698), (540, 126763), (546, 125370), (585, 117012), (588, 116415), (597, 114660), (630, 108654), (637, 107460), (702, 97510), (735, 93132), (756, 90545), (780, 87759), (796, 85995), (819, 83580), (882, 77610), (910, 75222), (945, 72436), (980, 69849), (995, 68796), (1092, 62685), (1170, 58506), (1194, 57330), (1260, 54327), (1274, 53730), (1323, 51740), (1365, 50148), (1393, 49140), (1404, 48755), (1470, 46566), (1638, 41790), (1755, 39004), (1764, 38805), (1791, 38220), (1820, 37611), (1890, 36218), (1911, 35820), (1990, 34398), (2205, 31044), (2340, 29253), (2388, 28665), (2457, 27860), (2548, 26865), (2587, 26460), (2646, 25870), (2730, 25074), (2786, 24570), (2940, 23283), (2985, 22932), (3185, 21492), (3276, 20895), (3510, 19502), (3582, 19110), (3780, 18109), (3822, 17910), (3980, 17199), (4095, 16716), (4179, 16380), (4410, 15522), (4914, 13930), (5174, 13230), (5292, 12935), (5373, 12740), (5460, 12537), (5572, 12285), (5733, 11940), (5970, 11466), (6370, 10746), (6615, 10348), (6965, 9828), (7020, 9751), (7164, 9555), (7644, 8955), (7761, 8820), (8190, 8358)]