197217720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1373}}^1$

素因数の和:1419

約数の個数: 256

約数和(自身を含む): 791424000

約数和(自身を除く): 594206280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 342, 360, 378, 380, 399, 420, 456, 504, 513, 532, 540, 570, 630, 665, 684, 756, 760, 798, 840, 855, 945, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1373, 1512, 1596, 1710, 1890, 1995, 2052, 2280, 2394, 2520, 2565, 2660, 2746, 3192, 3420, 3591, 3780, 3990, 4104, 4119, 4788, 5130, 5320, 5492, 5985, 6840, 6865, 7182, 7560, 7980, 8238, 9576, 9611, 10260, 10984, 11970, 12357, 13730, 14364, 15960, 16476, 17955, 19222, 20520, 20595, 23940, 24714, 26087, 27460, 28728, 28833, 32952, 35910, 37071, 38444, 41190, 47880, 48055, 49428, 52174, 54920, 57666, 61785, 71820, 74142, 76888, 78261, 82380, 86499, 96110, 98856, 104348, 115332, 123570, 130435, 143640, 144165, 148284, 156522, 164760, 172998, 182609, 185355, 192220, 208696, 230664, 234783, 247140, 259497, 260870, 288330, 296568, 313044, 345996, 365218, 370710, 384440, 391305, 432495, 469566, 494280, 518994, 521740, 547827, 576660, 626088, 691992, 704349, 730436, 741420, 782610, 864990, 913045, 939132, 1037988, 1043480, 1095654, 1153320, 1173915, 1297485, 1408698, 1460872, 1482840, 1565220, 1643481, 1729980, 1826090, 1878264, 2075976, 2191308, 2347830, 2594970, 2739135, 2817396, 3130440, 3286962, 3459960, 3521745, 3652180, 4382616, 4695660, 4930443, 5189940, 5478270, 5634792, 6573924, 7043490, 7304360, 8217405, 9391320, 9860886, 10379880, 10956540, 13147848, 14086980, 16434810, 19721772, 21913080, 24652215, 28173960, 32869620, 39443544, 49304430, 65739240, 98608860, 197217720]

約数ペア:

[(1, 197217720), (2, 98608860), (3, 65739240), (4, 49304430), (5, 39443544), (6, 32869620), (7, 28173960), (8, 24652215), (9, 21913080), (10, 19721772), (12, 16434810), (14, 14086980), (15, 13147848), (18, 10956540), (19, 10379880), (20, 9860886), (21, 9391320), (24, 8217405), (27, 7304360), (28, 7043490), (30, 6573924), (35, 5634792), (36, 5478270), (38, 5189940), (40, 4930443), (42, 4695660), (45, 4382616), (54, 3652180), (56, 3521745), (57, 3459960), (60, 3286962), (63, 3130440), (70, 2817396), (72, 2739135), (76, 2594970), (84, 2347830), (90, 2191308), (95, 2075976), (105, 1878264), (108, 1826090), (114, 1729980), (120, 1643481), (126, 1565220), (133, 1482840), (135, 1460872), (140, 1408698), (152, 1297485), (168, 1173915), (171, 1153320), (180, 1095654), (189, 1043480), (190, 1037988), (210, 939132), (216, 913045), (228, 864990), (252, 782610), (266, 741420), (270, 730436), (280, 704349), (285, 691992), (315, 626088), (342, 576660), (360, 547827), (378, 521740), (380, 518994), (399, 494280), (420, 469566), (456, 432495), (504, 391305), (513, 384440), (532, 370710), (540, 365218), (570, 345996), (630, 313044), (665, 296568), (684, 288330), (756, 260870), (760, 259497), (798, 247140), (840, 234783), (855, 230664), (945, 208696), (1026, 192220), (1064, 185355), (1080, 182609), (1140, 172998), (1197, 164760), (1260, 156522), (1330, 148284), (1368, 144165), (1373, 143640), (1512, 130435), (1596, 123570), (1710, 115332), (1890, 104348), (1995, 98856), (2052, 96110), (2280, 86499), (2394, 82380), (2520, 78261), (2565, 76888), (2660, 74142), (2746, 71820), (3192, 61785), (3420, 57666), (3591, 54920), (3780, 52174), (3990, 49428), (4104, 48055), (4119, 47880), (4788, 41190), (5130, 38444), (5320, 37071), (5492, 35910), (5985, 32952), (6840, 28833), (6865, 28728), (7182, 27460), (7560, 26087), (7980, 24714), (8238, 23940), (9576, 20595), (9611, 20520), (10260, 19222), (10984, 17955), (11970, 16476), (12357, 15960), (13730, 14364)]