18095480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 48988800

約数和(自身を除く): 30893320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 23, 26, 34, 40, 46, 52, 65, 68, 85, 89, 92, 104, 115, 130, 136, 170, 178, 184, 221, 230, 260, 299, 340, 356, 391, 442, 445, 460, 520, 598, 680, 712, 782, 884, 890, 920, 1105, 1157, 1196, 1495, 1513, 1564, 1768, 1780, 1955, 2047, 2210, 2314, 2392, 2990, 3026, 3128, 3560, 3910, 4094, 4420, 4628, 5083, 5785, 5980, 6052, 7565, 7820, 8188, 8840, 9256, 10166, 10235, 11570, 11960, 12104, 15130, 15640, 16376, 19669, 20332, 20470, 23140, 25415, 26611, 30260, 34799, 39338, 40664, 40940, 46280, 50830, 53222, 60520, 69598, 78676, 81880, 98345, 101660, 106444, 133055, 139196, 157352, 173995, 196690, 203320, 212888, 266110, 278392, 347990, 393380, 452387, 532220, 695980, 786760, 904774, 1064440, 1391960, 1809548, 2261935, 3619096, 4523870, 9047740, 18095480]

約数ペア:

[(1, 18095480), (2, 9047740), (4, 4523870), (5, 3619096), (8, 2261935), (10, 1809548), (13, 1391960), (17, 1064440), (20, 904774), (23, 786760), (26, 695980), (34, 532220), (40, 452387), (46, 393380), (52, 347990), (65, 278392), (68, 266110), (85, 212888), (89, 203320), (92, 196690), (104, 173995), (115, 157352), (130, 139196), (136, 133055), (170, 106444), (178, 101660), (184, 98345), (221, 81880), (230, 78676), (260, 69598), (299, 60520), (340, 53222), (356, 50830), (391, 46280), (442, 40940), (445, 40664), (460, 39338), (520, 34799), (598, 30260), (680, 26611), (712, 25415), (782, 23140), (884, 20470), (890, 20332), (920, 19669), (1105, 16376), (1157, 15640), (1196, 15130), (1495, 12104), (1513, 11960), (1564, 11570), (1768, 10235), (1780, 10166), (1955, 9256), (2047, 8840), (2210, 8188), (2314, 7820), (2392, 7565), (2990, 6052), (3026, 5980), (3128, 5785), (3560, 5083), (3910, 4628), (4094, 4420)]