1637108720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:907

約数の個数: 160

約数和(自身を含む): 4330972800

約数和(自身を除く): 2693864080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 89, 92, 104, 115, 130, 178, 184, 208, 230, 260, 299, 356, 368, 445, 460, 520, 598, 712, 769, 890, 920, 1040, 1157, 1196, 1424, 1495, 1538, 1780, 1840, 2047, 2314, 2392, 2990, 3076, 3560, 3845, 4094, 4628, 4784, 5785, 5980, 6152, 7120, 7690, 8188, 9256, 9997, 10235, 11570, 11960, 12304, 15380, 16376, 17687, 18512, 19994, 20470, 23140, 23920, 26611, 30760, 32752, 35374, 39988, 40940, 46280, 49985, 53222, 61520, 68441, 70748, 79976, 81880, 88435, 92560, 99970, 106444, 133055, 136882, 141496, 159952, 163760, 176870, 199940, 212888, 229931, 266110, 273764, 282992, 342205, 353740, 399880, 425776, 459862, 532220, 547528, 684410, 707480, 799760, 889733, 919724, 1064440, 1095056, 1149655, 1368820, 1414960, 1574143, 1779466, 1839448, 2128880, 2299310, 2737640, 3148286, 3558932, 3678896, 4448665, 4598620, 5475280, 6296572, 7117864, 7870715, 8897330, 9197240, 12593144, 14235728, 15741430, 17794660, 18394480, 20463859, 25186288, 31482860, 35589320, 40927718, 62965720, 71178640, 81855436, 102319295, 125931440, 163710872, 204638590, 327421744, 409277180, 818554360, 1637108720]

約数ペア:

[(1, 1637108720), (2, 818554360), (4, 409277180), (5, 327421744), (8, 204638590), (10, 163710872), (13, 125931440), (16, 102319295), (20, 81855436), (23, 71178640), (26, 62965720), (40, 40927718), (46, 35589320), (52, 31482860), (65, 25186288), (80, 20463859), (89, 18394480), (92, 17794660), (104, 15741430), (115, 14235728), (130, 12593144), (178, 9197240), (184, 8897330), (208, 7870715), (230, 7117864), (260, 6296572), (299, 5475280), (356, 4598620), (368, 4448665), (445, 3678896), (460, 3558932), (520, 3148286), (598, 2737640), (712, 2299310), (769, 2128880), (890, 1839448), (920, 1779466), (1040, 1574143), (1157, 1414960), (1196, 1368820), (1424, 1149655), (1495, 1095056), (1538, 1064440), (1780, 919724), (1840, 889733), (2047, 799760), (2314, 707480), (2392, 684410), (2990, 547528), (3076, 532220), (3560, 459862), (3845, 425776), (4094, 399880), (4628, 353740), (4784, 342205), (5785, 282992), (5980, 273764), (6152, 266110), (7120, 229931), (7690, 212888), (8188, 199940), (9256, 176870), (9997, 163760), (10235, 159952), (11570, 141496), (11960, 136882), (12304, 133055), (15380, 106444), (16376, 99970), (17687, 92560), (18512, 88435), (19994, 81880), (20470, 79976), (23140, 70748), (23920, 68441), (26611, 61520), (30760, 53222), (32752, 49985), (35374, 46280), (39988, 40940)]