1621758320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{607}}^1$

素因数の和:1007

約数の個数: 160

約数和(自身を含む): 4661035008

約数和(自身を除く): 3039276688

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 367, 455, 520, 560, 607, 728, 734, 910, 1040, 1214, 1456, 1468, 1820, 1835, 2428, 2569, 2936, 3035, 3640, 3670, 4249, 4771, 4856, 5138, 5872, 6070, 7280, 7340, 7891, 8498, 9542, 9712, 10276, 12140, 12845, 14680, 15782, 16996, 19084, 20552, 21245, 23855, 24280, 25690, 29360, 31564, 33397, 33992, 38168, 39455, 41104, 42490, 47710, 48560, 51380, 55237, 63128, 66794, 67984, 76336, 78910, 84980, 95420, 102760, 110474, 126256, 133588, 157820, 166985, 169960, 190840, 205520, 220948, 222769, 267176, 276185, 315640, 333970, 339920, 381680, 441896, 445538, 534352, 552370, 631280, 667940, 883792, 891076, 1104740, 1113845, 1335880, 1559383, 1782152, 2209480, 2227690, 2671760, 2895997, 3118766, 3564304, 4418960, 4455380, 5791994, 6237532, 7796915, 8910760, 11583988, 12475064, 14479985, 15593830, 17821520, 20271979, 23167976, 24950128, 28959970, 31187660, 40543958, 46335952, 57919940, 62375320, 81087916, 101359895, 115839880, 124750640, 162175832, 202719790, 231679760, 324351664, 405439580, 810879160, 1621758320]

約数ペア:

[(1, 1621758320), (2, 810879160), (4, 405439580), (5, 324351664), (7, 231679760), (8, 202719790), (10, 162175832), (13, 124750640), (14, 115839880), (16, 101359895), (20, 81087916), (26, 62375320), (28, 57919940), (35, 46335952), (40, 40543958), (52, 31187660), (56, 28959970), (65, 24950128), (70, 23167976), (80, 20271979), (91, 17821520), (104, 15593830), (112, 14479985), (130, 12475064), (140, 11583988), (182, 8910760), (208, 7796915), (260, 6237532), (280, 5791994), (364, 4455380), (367, 4418960), (455, 3564304), (520, 3118766), (560, 2895997), (607, 2671760), (728, 2227690), (734, 2209480), (910, 1782152), (1040, 1559383), (1214, 1335880), (1456, 1113845), (1468, 1104740), (1820, 891076), (1835, 883792), (2428, 667940), (2569, 631280), (2936, 552370), (3035, 534352), (3640, 445538), (3670, 441896), (4249, 381680), (4771, 339920), (4856, 333970), (5138, 315640), (5872, 276185), (6070, 267176), (7280, 222769), (7340, 220948), (7891, 205520), (8498, 190840), (9542, 169960), (9712, 166985), (10276, 157820), (12140, 133588), (12845, 126256), (14680, 110474), (15782, 102760), (16996, 95420), (19084, 84980), (20552, 78910), (21245, 76336), (23855, 67984), (24280, 66794), (25690, 63128), (29360, 55237), (31564, 51380), (33397, 48560), (33992, 47710), (38168, 42490), (39455, 41104)]