18001620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:199

約数の個数: 216

約数和(自身を含む): 68841864

約数和(自身を除く): 50840244

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 49, 52, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 117, 126, 130, 140, 147, 156, 157, 180, 182, 195, 196, 210, 234, 245, 252, 260, 273, 294, 314, 315, 364, 390, 420, 441, 455, 468, 471, 490, 546, 585, 588, 628, 630, 637, 735, 780, 785, 819, 882, 910, 942, 980, 1092, 1099, 1170, 1260, 1274, 1365, 1413, 1470, 1570, 1638, 1764, 1820, 1884, 1911, 2041, 2198, 2205, 2340, 2355, 2548, 2730, 2826, 2940, 3140, 3185, 3276, 3297, 3822, 4082, 4095, 4396, 4410, 4710, 5460, 5495, 5652, 5733, 6123, 6370, 6594, 7065, 7644, 7693, 8164, 8190, 8820, 9420, 9555, 9891, 10205, 10990, 11466, 12246, 12740, 13188, 14130, 14287, 15386, 16380, 16485, 18369, 19110, 19782, 20410, 21980, 22932, 23079, 24492, 28260, 28574, 28665, 30615, 30772, 32970, 36738, 38220, 38465, 39564, 40820, 42861, 46158, 49455, 57148, 57330, 61230, 65940, 69237, 71435, 73476, 76930, 85722, 91845, 92316, 98910, 100009, 114660, 115395, 122460, 128583, 138474, 142870, 153860, 171444, 183690, 197820, 200018, 214305, 230790, 257166, 276948, 285740, 300027, 346185, 367380, 400036, 428610, 461580, 500045, 514332, 600054, 642915, 692370, 857220, 900081, 1000090, 1200108, 1285830, 1384740, 1500135, 1800162, 2000180, 2571660, 3000270, 3600324, 4500405, 6000540, 9000810, 18001620]

約数ペア:

[(1, 18001620), (2, 9000810), (3, 6000540), (4, 4500405), (5, 3600324), (6, 3000270), (7, 2571660), (9, 2000180), (10, 1800162), (12, 1500135), (13, 1384740), (14, 1285830), (15, 1200108), (18, 1000090), (20, 900081), (21, 857220), (26, 692370), (28, 642915), (30, 600054), (35, 514332), (36, 500045), (39, 461580), (42, 428610), (45, 400036), (49, 367380), (52, 346185), (60, 300027), (63, 285740), (65, 276948), (70, 257166), (78, 230790), (84, 214305), (90, 200018), (91, 197820), (98, 183690), (105, 171444), (117, 153860), (126, 142870), (130, 138474), (140, 128583), (147, 122460), (156, 115395), (157, 114660), (180, 100009), (182, 98910), (195, 92316), (196, 91845), (210, 85722), (234, 76930), (245, 73476), (252, 71435), (260, 69237), (273, 65940), (294, 61230), (314, 57330), (315, 57148), (364, 49455), (390, 46158), (420, 42861), (441, 40820), (455, 39564), (468, 38465), (471, 38220), (490, 36738), (546, 32970), (585, 30772), (588, 30615), (628, 28665), (630, 28574), (637, 28260), (735, 24492), (780, 23079), (785, 22932), (819, 21980), (882, 20410), (910, 19782), (942, 19110), (980, 18369), (1092, 16485), (1099, 16380), (1170, 15386), (1260, 14287), (1274, 14130), (1365, 13188), (1413, 12740), (1470, 12246), (1570, 11466), (1638, 10990), (1764, 10205), (1820, 9891), (1884, 9555), (1911, 9420), (2041, 8820), (2198, 8190), (2205, 8164), (2340, 7693), (2355, 7644), (2548, 7065), (2730, 6594), (2826, 6370), (2940, 6123), (3140, 5733), (3185, 5652), (3276, 5495), (3297, 5460), (3822, 4710), (4082, 4410), (4095, 4396)]