128568440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1$

素因数の和:87

約数の個数: 256

約数和(自身を含む): 411264000

約数和(自身を除く): 282695560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 19, 20, 22, 26, 28, 35, 38, 40, 44, 52, 55, 56, 65, 70, 76, 77, 88, 91, 95, 104, 110, 130, 133, 140, 143, 152, 154, 169, 182, 190, 209, 220, 247, 260, 266, 280, 286, 308, 338, 364, 380, 385, 418, 440, 455, 494, 520, 532, 572, 616, 665, 676, 715, 728, 760, 770, 836, 845, 910, 988, 1001, 1045, 1064, 1144, 1183, 1235, 1330, 1352, 1430, 1463, 1540, 1672, 1690, 1729, 1820, 1859, 1976, 2002, 2090, 2197, 2366, 2470, 2660, 2717, 2860, 2926, 3080, 3211, 3380, 3458, 3640, 3718, 4004, 4180, 4394, 4732, 4940, 5005, 5320, 5434, 5720, 5852, 5915, 6422, 6760, 6916, 7315, 7436, 8008, 8360, 8645, 8788, 9295, 9464, 9880, 10010, 10868, 10985, 11704, 11830, 12844, 13013, 13585, 13832, 14630, 14872, 15379, 16055, 17290, 17576, 18590, 19019, 20020, 21736, 21970, 22477, 23660, 24167, 25688, 26026, 27170, 29260, 30758, 32110, 34580, 35321, 37180, 38038, 40040, 41743, 43940, 44954, 47320, 48334, 52052, 54340, 58520, 61516, 64220, 65065, 69160, 70642, 74360, 76076, 76895, 83486, 87880, 89908, 95095, 96668, 104104, 108680, 112385, 120835, 123032, 128440, 130130, 141284, 152152, 153790, 166972, 169169, 176605, 179816, 190190, 193336, 208715, 224770, 241670, 247247, 260260, 282568, 292201, 307580, 333944, 338338, 353210, 380380, 417430, 449540, 459173, 483340, 494494, 520520, 584402, 615160, 676676, 706420, 760760, 834860, 845845, 899080, 918346, 966680, 988988, 1168804, 1236235, 1353352, 1412840, 1461005, 1669720, 1691690, 1836692, 1977976, 2295865, 2337608, 2472470, 2922010, 3214211, 3383380, 3673384, 4591730, 4944940, 5844020, 6428422, 6766760, 9183460, 9889880, 11688040, 12856844, 16071055, 18366920, 25713688, 32142110, 64284220, 128568440]

約数ペア:

[(1, 128568440), (2, 64284220), (4, 32142110), (5, 25713688), (7, 18366920), (8, 16071055), (10, 12856844), (11, 11688040), (13, 9889880), (14, 9183460), (19, 6766760), (20, 6428422), (22, 5844020), (26, 4944940), (28, 4591730), (35, 3673384), (38, 3383380), (40, 3214211), (44, 2922010), (52, 2472470), (55, 2337608), (56, 2295865), (65, 1977976), (70, 1836692), (76, 1691690), (77, 1669720), (88, 1461005), (91, 1412840), (95, 1353352), (104, 1236235), (110, 1168804), (130, 988988), (133, 966680), (140, 918346), (143, 899080), (152, 845845), (154, 834860), (169, 760760), (182, 706420), (190, 676676), (209, 615160), (220, 584402), (247, 520520), (260, 494494), (266, 483340), (280, 459173), (286, 449540), (308, 417430), (338, 380380), (364, 353210), (380, 338338), (385, 333944), (418, 307580), (440, 292201), (455, 282568), (494, 260260), (520, 247247), (532, 241670), (572, 224770), (616, 208715), (665, 193336), (676, 190190), (715, 179816), (728, 176605), (760, 169169), (770, 166972), (836, 153790), (845, 152152), (910, 141284), (988, 130130), (1001, 128440), (1045, 123032), (1064, 120835), (1144, 112385), (1183, 108680), (1235, 104104), (1330, 96668), (1352, 95095), (1430, 89908), (1463, 87880), (1540, 83486), (1672, 76895), (1690, 76076), (1729, 74360), (1820, 70642), (1859, 69160), (1976, 65065), (2002, 64220), (2090, 61516), (2197, 58520), (2366, 54340), (2470, 52052), (2660, 48334), (2717, 47320), (2860, 44954), (2926, 43940), (3080, 41743), (3211, 40040), (3380, 38038), (3458, 37180), (3640, 35321), (3718, 34580), (4004, 32110), (4180, 30758), (4394, 29260), (4732, 27170), (4940, 26026), (5005, 25688), (5320, 24167), (5434, 23660), (5720, 22477), (5852, 21970), (5915, 21736), (6422, 20020), (6760, 19019), (6916, 18590), (7315, 17576), (7436, 17290), (8008, 16055), (8360, 15379), (8645, 14872), (8788, 14630), (9295, 13832), (9464, 13585), (9880, 13013), (10010, 12844), (10868, 11830), (10985, 11704)]