206640420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:378

約数の個数: 192

約数和(自身を含む): 696729600

約数和(自身を除く): 490089180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 59, 60, 62, 70, 84, 93, 105, 118, 124, 140, 155, 177, 186, 210, 217, 236, 269, 295, 310, 354, 372, 413, 420, 434, 465, 538, 590, 620, 651, 708, 807, 826, 868, 885, 930, 1076, 1085, 1180, 1239, 1302, 1345, 1614, 1652, 1770, 1829, 1860, 1883, 2065, 2170, 2478, 2604, 2690, 3228, 3255, 3540, 3658, 3766, 4035, 4130, 4340, 4956, 5380, 5487, 5649, 6195, 6510, 7316, 7532, 8070, 8260, 8339, 9145, 9415, 10974, 11298, 12390, 12803, 13020, 15871, 16140, 16678, 18290, 18830, 21948, 22596, 24780, 25017, 25606, 27435, 28245, 31742, 33356, 36580, 37660, 38409, 41695, 47613, 50034, 51212, 54870, 56490, 58373, 63484, 64015, 76818, 79355, 83390, 95226, 100068, 109740, 111097, 112980, 116746, 125085, 128030, 153636, 158710, 166780, 175119, 190452, 192045, 222194, 233492, 238065, 250170, 256060, 291865, 317420, 333291, 350238, 384090, 444388, 476130, 492001, 500340, 555485, 583730, 666582, 700476, 768180, 875595, 952260, 984002, 1110970, 1167460, 1333164, 1476003, 1666455, 1751190, 1968004, 2221940, 2460005, 2952006, 3332910, 3444007, 3502380, 4920010, 5904012, 6665820, 6888014, 7380015, 9840020, 10332021, 13776028, 14760030, 17220035, 20664042, 29520060, 34440070, 41328084, 51660105, 68880140, 103320210, 206640420]

約数ペア:

[(1, 206640420), (2, 103320210), (3, 68880140), (4, 51660105), (5, 41328084), (6, 34440070), (7, 29520060), (10, 20664042), (12, 17220035), (14, 14760030), (15, 13776028), (20, 10332021), (21, 9840020), (28, 7380015), (30, 6888014), (31, 6665820), (35, 5904012), (42, 4920010), (59, 3502380), (60, 3444007), (62, 3332910), (70, 2952006), (84, 2460005), (93, 2221940), (105, 1968004), (118, 1751190), (124, 1666455), (140, 1476003), (155, 1333164), (177, 1167460), (186, 1110970), (210, 984002), (217, 952260), (236, 875595), (269, 768180), (295, 700476), (310, 666582), (354, 583730), (372, 555485), (413, 500340), (420, 492001), (434, 476130), (465, 444388), (538, 384090), (590, 350238), (620, 333291), (651, 317420), (708, 291865), (807, 256060), (826, 250170), (868, 238065), (885, 233492), (930, 222194), (1076, 192045), (1085, 190452), (1180, 175119), (1239, 166780), (1302, 158710), (1345, 153636), (1614, 128030), (1652, 125085), (1770, 116746), (1829, 112980), (1860, 111097), (1883, 109740), (2065, 100068), (2170, 95226), (2478, 83390), (2604, 79355), (2690, 76818), (3228, 64015), (3255, 63484), (3540, 58373), (3658, 56490), (3766, 54870), (4035, 51212), (4130, 50034), (4340, 47613), (4956, 41695), (5380, 38409), (5487, 37660), (5649, 36580), (6195, 33356), (6510, 31742), (7316, 28245), (7532, 27435), (8070, 25606), (8260, 25017), (8339, 24780), (9145, 22596), (9415, 21948), (10974, 18830), (11298, 18290), (12390, 16678), (12803, 16140), (13020, 15871)]