19663642240

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{8191}}^1$

素因数の和:8263

約数の個数: 192

約数和(自身を含む): 53343682560

約数和(自身を除く): 33680040320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 121, 124, 128, 155, 160, 176, 220, 242, 248, 310, 320, 341, 352, 440, 484, 496, 605, 620, 640, 682, 704, 880, 968, 992, 1210, 1240, 1364, 1408, 1705, 1760, 1936, 1984, 2420, 2480, 2728, 3410, 3520, 3751, 3872, 3968, 4840, 4960, 5456, 6820, 7040, 7502, 7744, 8191, 9680, 9920, 10912, 13640, 15004, 15488, 16382, 18755, 19360, 19840, 21824, 27280, 30008, 32764, 37510, 38720, 40955, 43648, 54560, 60016, 65528, 75020, 77440, 81910, 90101, 109120, 120032, 131056, 150040, 163820, 180202, 218240, 240064, 253921, 262112, 300080, 327640, 360404, 450505, 480128, 507842, 524224, 600160, 655280, 720808, 901010, 991111, 1015684, 1048448, 1200320, 1269605, 1310560, 1441616, 1802020, 1982222, 2031368, 2400640, 2539210, 2621120, 2793131, 2883232, 3604040, 3964444, 4062736, 4955555, 5078420, 5242240, 5586262, 5766464, 7208080, 7928888, 8125472, 9911110, 10156840, 11172524, 11532928, 13965655, 14416160, 15857776, 16250944, 19822220, 20313680, 22345048, 27931310, 28832320, 30724441, 31715552, 32501888, 39644440, 40627360, 44690096, 55862620, 57664640, 61448882, 63431104, 79288880, 81254720, 89380192, 111725240, 122897764, 126862208, 153622205, 158577760, 162509440, 178760384, 223450480, 245795528, 307244410, 317155520, 357520768, 446900960, 491591056, 614488820, 634311040, 893801920, 983182112, 1228977640, 1787603840, 1966364224, 2457955280, 3932728448, 4915910560, 9831821120, 19663642240]

約数ペア:

[(1, 19663642240), (2, 9831821120), (4, 4915910560), (5, 3932728448), (8, 2457955280), (10, 1966364224), (11, 1787603840), (16, 1228977640), (20, 983182112), (22, 893801920), (31, 634311040), (32, 614488820), (40, 491591056), (44, 446900960), (55, 357520768), (62, 317155520), (64, 307244410), (80, 245795528), (88, 223450480), (110, 178760384), (121, 162509440), (124, 158577760), (128, 153622205), (155, 126862208), (160, 122897764), (176, 111725240), (220, 89380192), (242, 81254720), (248, 79288880), (310, 63431104), (320, 61448882), (341, 57664640), (352, 55862620), (440, 44690096), (484, 40627360), (496, 39644440), (605, 32501888), (620, 31715552), (640, 30724441), (682, 28832320), (704, 27931310), (880, 22345048), (968, 20313680), (992, 19822220), (1210, 16250944), (1240, 15857776), (1364, 14416160), (1408, 13965655), (1705, 11532928), (1760, 11172524), (1936, 10156840), (1984, 9911110), (2420, 8125472), (2480, 7928888), (2728, 7208080), (3410, 5766464), (3520, 5586262), (3751, 5242240), (3872, 5078420), (3968, 4955555), (4840, 4062736), (4960, 3964444), (5456, 3604040), (6820, 2883232), (7040, 2793131), (7502, 2621120), (7744, 2539210), (8191, 2400640), (9680, 2031368), (9920, 1982222), (10912, 1802020), (13640, 1441616), (15004, 1310560), (15488, 1269605), (16382, 1200320), (18755, 1048448), (19360, 1015684), (19840, 991111), (21824, 901010), (27280, 720808), (30008, 655280), (32764, 600160), (37510, 524224), (38720, 507842), (40955, 480128), (43648, 450505), (54560, 360404), (60016, 327640), (65528, 300080), (75020, 262112), (77440, 253921), (81910, 240064), (90101, 218240), (109120, 180202), (120032, 163820), (131056, 150040)]