19778902720

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1039}}^1$

素因数の和:1207

約数の個数: 224

約数和(自身を含む): 51733094400

約数和(自身を除く): 31954191680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 101, 124, 152, 155, 160, 190, 202, 248, 304, 310, 320, 380, 404, 496, 505, 589, 608, 620, 760, 808, 992, 1010, 1039, 1178, 1216, 1240, 1520, 1616, 1919, 1984, 2020, 2078, 2356, 2480, 2945, 3040, 3131, 3232, 3838, 4040, 4156, 4712, 4960, 5195, 5890, 6080, 6262, 6464, 7676, 8080, 8312, 9424, 9595, 9920, 10390, 11780, 12524, 15352, 15655, 16160, 16624, 18848, 19190, 19741, 20780, 23560, 25048, 30704, 31310, 32209, 32320, 33248, 37696, 38380, 39482, 41560, 47120, 50096, 59489, 61408, 62620, 64418, 66496, 76760, 78964, 83120, 94240, 98705, 100192, 104939, 118978, 122816, 125240, 128836, 153520, 157928, 161045, 166240, 188480, 197410, 200384, 209878, 237956, 250480, 257672, 297445, 307040, 315856, 322090, 332480, 394820, 419756, 475912, 500960, 515344, 524695, 594890, 611971, 614080, 631712, 644180, 789640, 839512, 951824, 1001920, 1030688, 1049390, 1189780, 1223942, 1263424, 1288360, 1579280, 1679024, 1903648, 1993841, 2061376, 2098780, 2379560, 2447884, 2576720, 3059855, 3158560, 3253109, 3358048, 3807296, 3987682, 4197560, 4759120, 4895768, 5153440, 6119710, 6317120, 6506218, 6716096, 7975364, 8395120, 9518240, 9791536, 9969205, 10306880, 12239420, 13012436, 15950728, 16265545, 16790240, 19036480, 19583072, 19938410, 24478840, 26024872, 31901456, 32531090, 33580480, 39166144, 39876820, 48957680, 52049744, 61809071, 63802912, 65062180, 79753640, 97915360, 104099488, 123618142, 127605824, 130124360, 159507280, 195830720, 208198976, 247236284, 260248720, 309045355, 319014560, 494472568, 520497440, 618090710, 638029120, 988945136, 1040994880, 1236181420, 1977890272, 2472362840, 3955780544, 4944725680, 9889451360, 19778902720]

約数ペア:

[(1, 19778902720), (2, 9889451360), (4, 4944725680), (5, 3955780544), (8, 2472362840), (10, 1977890272), (16, 1236181420), (19, 1040994880), (20, 988945136), (31, 638029120), (32, 618090710), (38, 520497440), (40, 494472568), (62, 319014560), (64, 309045355), (76, 260248720), (80, 247236284), (95, 208198976), (101, 195830720), (124, 159507280), (152, 130124360), (155, 127605824), (160, 123618142), (190, 104099488), (202, 97915360), (248, 79753640), (304, 65062180), (310, 63802912), (320, 61809071), (380, 52049744), (404, 48957680), (496, 39876820), (505, 39166144), (589, 33580480), (608, 32531090), (620, 31901456), (760, 26024872), (808, 24478840), (992, 19938410), (1010, 19583072), (1039, 19036480), (1178, 16790240), (1216, 16265545), (1240, 15950728), (1520, 13012436), (1616, 12239420), (1919, 10306880), (1984, 9969205), (2020, 9791536), (2078, 9518240), (2356, 8395120), (2480, 7975364), (2945, 6716096), (3040, 6506218), (3131, 6317120), (3232, 6119710), (3838, 5153440), (4040, 4895768), (4156, 4759120), (4712, 4197560), (4960, 3987682), (5195, 3807296), (5890, 3358048), (6080, 3253109), (6262, 3158560), (6464, 3059855), (7676, 2576720), (8080, 2447884), (8312, 2379560), (9424, 2098780), (9595, 2061376), (9920, 1993841), (10390, 1903648), (11780, 1679024), (12524, 1579280), (15352, 1288360), (15655, 1263424), (16160, 1223942), (16624, 1189780), (18848, 1049390), (19190, 1030688), (19741, 1001920), (20780, 951824), (23560, 839512), (25048, 789640), (30704, 644180), (31310, 631712), (32209, 614080), (32320, 611971), (33248, 594890), (37696, 524695), (38380, 515344), (39482, 500960), (41560, 475912), (47120, 419756), (50096, 394820), (59489, 332480), (61408, 322090), (62620, 315856), (64418, 307040), (66496, 297445), (76760, 257672), (78964, 250480), (83120, 237956), (94240, 209878), (98705, 200384), (100192, 197410), (104939, 188480), (118978, 166240), (122816, 161045), (125240, 157928), (128836, 153520)]