2789919720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19423}}^1$

素因数の和:19469

約数の個数: 256

約数和(自身を含む): 11188224000

約数和(自身を除く): 8398304280

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, 1512, 1596, 1710, 1890, 1995, 2052, 2280, 2394, 2520, 2565, 2660, 3192, 3420, 3591, 3780, 3990, 4104, 4788, 5130, 5320, 5985, 6840, 7182, 7560, 7980, 9576, 10260, 11970, 14364, 15960, 17955, 19423, 20520, 23940, 28728, 35910, 38846, 47880, 58269, 71820, 77692, 97115, 116538, 135961, 143640, 155384, 174807, 194230, 233076, 271922, 291345, 349614, 369037, 388460, 407883, 466152, 524421, 543844, 582690, 679805, 699228, 738074, 776920, 815766, 874035, 1048842, 1087688, 1107111, 1165380, 1223649, 1359610, 1398456, 1476148, 1631532, 1748070, 1845185, 2039415, 2097684, 2214222, 2330760, 2447298, 2583259, 2622105, 2719220, 2952296, 3263064, 3321333, 3496140, 3670947, 3690370, 4078830, 4195368, 4428444, 4894596, 5166518, 5244210, 5438440, 5535555, 6118245, 6642666, 6992280, 7341894, 7380740, 7749777, 8157660, 8856888, 9789192, 9963999, 10333036, 10488420, 11071110, 12236490, 12916295, 13285332, 14683788, 14761480, 15499554, 16315320, 16606665, 18354735, 19927998, 20666072, 20976840, 22142220, 23249331, 24472980, 25832590, 26570664, 29367576, 30999108, 33213330, 36709470, 38748885, 39855996, 44284440, 46498662, 48945960, 49819995, 51665180, 61998216, 66426660, 69747993, 73418940, 77497770, 79711992, 92997324, 99639990, 103330360, 116246655, 132853320, 139495986, 146837880, 154995540, 185994648, 199279980, 232493310, 278991972, 309991080, 348739965, 398559960, 464986620, 557983944, 697479930, 929973240, 1394959860, 2789919720]

約数ペア:

[(1, 2789919720), (2, 1394959860), (3, 929973240), (4, 697479930), (5, 557983944), (6, 464986620), (7, 398559960), (8, 348739965), (9, 309991080), (10, 278991972), (12, 232493310), (14, 199279980), (15, 185994648), (18, 154995540), (19, 146837880), (20, 139495986), (21, 132853320), (24, 116246655), (27, 103330360), (28, 99639990), (30, 92997324), (35, 79711992), (36, 77497770), (38, 73418940), (40, 69747993), (42, 66426660), (45, 61998216), (54, 51665180), (56, 49819995), (57, 48945960), (60, 46498662), (63, 44284440), (70, 39855996), (72, 38748885), (76, 36709470), (84, 33213330), (90, 30999108), (95, 29367576), (105, 26570664), (108, 25832590), (114, 24472980), (120, 23249331), (126, 22142220), (133, 20976840), (135, 20666072), (140, 19927998), (152, 18354735), (168, 16606665), (171, 16315320), (180, 15499554), (189, 14761480), (190, 14683788), (210, 13285332), (216, 12916295), (228, 12236490), (252, 11071110), (266, 10488420), (270, 10333036), (280, 9963999), (285, 9789192), (315, 8856888), (342, 8157660), (360, 7749777), (378, 7380740), (380, 7341894), (399, 6992280), (420, 6642666), (456, 6118245), (504, 5535555), (513, 5438440), (532, 5244210), (540, 5166518), (570, 4894596), (630, 4428444), (665, 4195368), (684, 4078830), (756, 3690370), (760, 3670947), (798, 3496140), (840, 3321333), (855, 3263064), (945, 2952296), (1026, 2719220), (1064, 2622105), (1080, 2583259), (1140, 2447298), (1197, 2330760), (1260, 2214222), (1330, 2097684), (1368, 2039415), (1512, 1845185), (1596, 1748070), (1710, 1631532), (1890, 1476148), (1995, 1398456), (2052, 1359610), (2280, 1223649), (2394, 1165380), (2520, 1107111), (2565, 1087688), (2660, 1048842), (3192, 874035), (3420, 815766), (3591, 776920), (3780, 738074), (3990, 699228), (4104, 679805), (4788, 582690), (5130, 543844), (5320, 524421), (5985, 466152), (6840, 407883), (7182, 388460), (7560, 369037), (7980, 349614), (9576, 291345), (10260, 271922), (11970, 233076), (14364, 194230), (15960, 174807), (17955, 155384), (19423, 143640), (20520, 135961), (23940, 116538), (28728, 97115), (35910, 77692), (38846, 71820), (47880, 58269)]