1618980580

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:415

約数の個数: 192

約数和(自身を含む): 4283596800

約数和(自身を除く): 2664616220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 49, 62, 70, 92, 98, 115, 124, 140, 155, 161, 196, 217, 230, 245, 310, 322, 331, 343, 434, 460, 490, 620, 644, 662, 686, 713, 805, 868, 980, 1085, 1127, 1324, 1372, 1426, 1519, 1610, 1655, 1715, 2170, 2254, 2317, 2852, 3038, 3220, 3310, 3430, 3565, 4340, 4508, 4634, 4991, 5635, 6076, 6620, 6860, 7130, 7595, 7613, 7889, 9268, 9982, 10261, 10633, 11270, 11585, 14260, 15190, 15226, 15778, 16219, 19964, 20522, 21266, 22540, 23170, 24955, 30380, 30452, 31556, 32438, 34937, 38065, 39445, 41044, 42532, 46340, 49910, 51305, 53165, 53291, 64876, 69874, 71827, 76130, 78890, 81095, 99820, 102610, 106330, 106582, 113533, 139748, 143654, 152260, 157780, 162190, 174685, 205220, 212660, 213164, 227066, 236003, 244559, 266455, 287308, 324380, 349370, 359135, 373037, 454132, 472006, 489118, 502789, 532910, 567665, 698740, 718270, 746074, 944012, 978236, 1005578, 1065820, 1135330, 1180015, 1222795, 1436540, 1492148, 1652021, 1865185, 2011156, 2270660, 2360030, 2445590, 2513945, 2611259, 3304042, 3519523, 3730370, 4720060, 4891180, 5027890, 5222518, 6608084, 7039046, 7460740, 8260105, 10055780, 10445036, 11564147, 13056295, 14078092, 16520210, 17597615, 23128294, 26112590, 33040420, 35195230, 46256588, 52225180, 57820735, 70390460, 80949029, 115641470, 161898058, 231282940, 323796116, 404745145, 809490290, 1618980580]

約数ペア:

[(1, 1618980580), (2, 809490290), (4, 404745145), (5, 323796116), (7, 231282940), (10, 161898058), (14, 115641470), (20, 80949029), (23, 70390460), (28, 57820735), (31, 52225180), (35, 46256588), (46, 35195230), (49, 33040420), (62, 26112590), (70, 23128294), (92, 17597615), (98, 16520210), (115, 14078092), (124, 13056295), (140, 11564147), (155, 10445036), (161, 10055780), (196, 8260105), (217, 7460740), (230, 7039046), (245, 6608084), (310, 5222518), (322, 5027890), (331, 4891180), (343, 4720060), (434, 3730370), (460, 3519523), (490, 3304042), (620, 2611259), (644, 2513945), (662, 2445590), (686, 2360030), (713, 2270660), (805, 2011156), (868, 1865185), (980, 1652021), (1085, 1492148), (1127, 1436540), (1324, 1222795), (1372, 1180015), (1426, 1135330), (1519, 1065820), (1610, 1005578), (1655, 978236), (1715, 944012), (2170, 746074), (2254, 718270), (2317, 698740), (2852, 567665), (3038, 532910), (3220, 502789), (3310, 489118), (3430, 472006), (3565, 454132), (4340, 373037), (4508, 359135), (4634, 349370), (4991, 324380), (5635, 287308), (6076, 266455), (6620, 244559), (6860, 236003), (7130, 227066), (7595, 213164), (7613, 212660), (7889, 205220), (9268, 174685), (9982, 162190), (10261, 157780), (10633, 152260), (11270, 143654), (11585, 139748), (14260, 113533), (15190, 106582), (15226, 106330), (15778, 102610), (16219, 99820), (19964, 81095), (20522, 78890), (21266, 76130), (22540, 71827), (23170, 69874), (24955, 64876), (30380, 53291), (30452, 53165), (31556, 51305), (32438, 49910), (34937, 46340), (38065, 42532), (39445, 41044)]