18782640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1373}}^1$

素因数の和:1411

約数の個数: 120

約数和(自身を含む): 66446640

約数和(自身を除く): 47664000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1373, 1520, 1710, 2280, 2736, 2746, 3420, 4119, 4560, 5492, 6840, 6865, 8238, 10984, 12357, 13680, 13730, 16476, 20595, 21968, 24714, 26087, 27460, 32952, 41190, 49428, 52174, 54920, 61785, 65904, 78261, 82380, 98856, 104348, 109840, 123570, 130435, 156522, 164760, 197712, 208696, 234783, 247140, 260870, 313044, 329520, 391305, 417392, 469566, 494280, 521740, 626088, 782610, 939132, 988560, 1043480, 1173915, 1252176, 1565220, 1878264, 2086960, 2347830, 3130440, 3756528, 4695660, 6260880, 9391320, 18782640]

約数ペア:

[(1, 18782640), (2, 9391320), (3, 6260880), (4, 4695660), (5, 3756528), (6, 3130440), (8, 2347830), (9, 2086960), (10, 1878264), (12, 1565220), (15, 1252176), (16, 1173915), (18, 1043480), (19, 988560), (20, 939132), (24, 782610), (30, 626088), (36, 521740), (38, 494280), (40, 469566), (45, 417392), (48, 391305), (57, 329520), (60, 313044), (72, 260870), (76, 247140), (80, 234783), (90, 208696), (95, 197712), (114, 164760), (120, 156522), (144, 130435), (152, 123570), (171, 109840), (180, 104348), (190, 98856), (228, 82380), (240, 78261), (285, 65904), (304, 61785), (342, 54920), (360, 52174), (380, 49428), (456, 41190), (570, 32952), (684, 27460), (720, 26087), (760, 24714), (855, 21968), (912, 20595), (1140, 16476), (1368, 13730), (1373, 13680), (1520, 12357), (1710, 10984), (2280, 8238), (2736, 6865), (2746, 6840), (3420, 5492), (4119, 4560)]