17990866680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{213263}}^1$

素因数の和:213333

約数の個数: 128

約数和(自身を含む): 58349030400

約数和(自身を除く): 40358163720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 37, 38, 40, 57, 60, 74, 76, 95, 111, 114, 120, 148, 152, 185, 190, 222, 228, 285, 296, 370, 380, 444, 456, 555, 570, 703, 740, 760, 888, 1110, 1140, 1406, 1480, 2109, 2220, 2280, 2812, 3515, 4218, 4440, 5624, 7030, 8436, 10545, 14060, 16872, 21090, 28120, 42180, 84360, 213263, 426526, 639789, 853052, 1066315, 1279578, 1706104, 2132630, 2559156, 3198945, 4051997, 4265260, 5118312, 6397890, 7890731, 8103994, 8530520, 12155991, 12795780, 15781462, 16207988, 20259985, 23672193, 24311982, 25591560, 31562924, 32415976, 39453655, 40519970, 47344386, 48623964, 60779955, 63125848, 78907310, 81039940, 94688772, 97247928, 118360965, 121559910, 149923889, 157814620, 162079880, 189377544, 236721930, 243119820, 299847778, 315629240, 449771667, 473443860, 486239640, 599695556, 749619445, 899543334, 946887720, 1199391112, 1499238890, 1799086668, 2248858335, 2998477780, 3598173336, 4497716670, 5996955560, 8995433340, 17990866680]

約数ペア:

[(1, 17990866680), (2, 8995433340), (3, 5996955560), (4, 4497716670), (5, 3598173336), (6, 2998477780), (8, 2248858335), (10, 1799086668), (12, 1499238890), (15, 1199391112), (19, 946887720), (20, 899543334), (24, 749619445), (30, 599695556), (37, 486239640), (38, 473443860), (40, 449771667), (57, 315629240), (60, 299847778), (74, 243119820), (76, 236721930), (95, 189377544), (111, 162079880), (114, 157814620), (120, 149923889), (148, 121559910), (152, 118360965), (185, 97247928), (190, 94688772), (222, 81039940), (228, 78907310), (285, 63125848), (296, 60779955), (370, 48623964), (380, 47344386), (444, 40519970), (456, 39453655), (555, 32415976), (570, 31562924), (703, 25591560), (740, 24311982), (760, 23672193), (888, 20259985), (1110, 16207988), (1140, 15781462), (1406, 12795780), (1480, 12155991), (2109, 8530520), (2220, 8103994), (2280, 7890731), (2812, 6397890), (3515, 5118312), (4218, 4265260), (4440, 4051997), (5624, 3198945), (7030, 2559156), (8436, 2132630), (10545, 1706104), (14060, 1279578), (16872, 1066315), (21090, 853052), (28120, 639789), (42180, 426526), (84360, 213263)]