91819520

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:156

約数の個数: 160

約数和(自身を含む): 247484160

約数和(自身を除く): 155664640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 89, 104, 124, 128, 130, 155, 160, 178, 208, 248, 256, 260, 310, 320, 356, 403, 416, 445, 496, 512, 520, 620, 640, 712, 806, 832, 890, 992, 1040, 1157, 1240, 1280, 1424, 1612, 1664, 1780, 1984, 2015, 2080, 2314, 2480, 2560, 2759, 2848, 3224, 3328, 3560, 3968, 4030, 4160, 4628, 4960, 5518, 5696, 5785, 6448, 6656, 7120, 7936, 8060, 8320, 9256, 9920, 11036, 11392, 11570, 12896, 13795, 14240, 15872, 16120, 16640, 18512, 19840, 22072, 22784, 23140, 25792, 27590, 28480, 32240, 33280, 35867, 37024, 39680, 44144, 45568, 46280, 51584, 55180, 56960, 64480, 71734, 74048, 79360, 88288, 92560, 103168, 110360, 113920, 128960, 143468, 148096, 176576, 179335, 185120, 206336, 220720, 227840, 257920, 286936, 296192, 353152, 358670, 370240, 441440, 515840, 573872, 592384, 706304, 717340, 740480, 882880, 1031680, 1147744, 1412608, 1434680, 1480960, 1765760, 2295488, 2869360, 2961920, 3531520, 4590976, 5738720, 7063040, 9181952, 11477440, 18363904, 22954880, 45909760, 91819520]

約数ペア:

[(1, 91819520), (2, 45909760), (4, 22954880), (5, 18363904), (8, 11477440), (10, 9181952), (13, 7063040), (16, 5738720), (20, 4590976), (26, 3531520), (31, 2961920), (32, 2869360), (40, 2295488), (52, 1765760), (62, 1480960), (64, 1434680), (65, 1412608), (80, 1147744), (89, 1031680), (104, 882880), (124, 740480), (128, 717340), (130, 706304), (155, 592384), (160, 573872), (178, 515840), (208, 441440), (248, 370240), (256, 358670), (260, 353152), (310, 296192), (320, 286936), (356, 257920), (403, 227840), (416, 220720), (445, 206336), (496, 185120), (512, 179335), (520, 176576), (620, 148096), (640, 143468), (712, 128960), (806, 113920), (832, 110360), (890, 103168), (992, 92560), (1040, 88288), (1157, 79360), (1240, 74048), (1280, 71734), (1424, 64480), (1612, 56960), (1664, 55180), (1780, 51584), (1984, 46280), (2015, 45568), (2080, 44144), (2314, 39680), (2480, 37024), (2560, 35867), (2759, 33280), (2848, 32240), (3224, 28480), (3328, 27590), (3560, 25792), (3968, 23140), (4030, 22784), (4160, 22072), (4628, 19840), (4960, 18512), (5518, 16640), (5696, 16120), (5785, 15872), (6448, 14240), (6656, 13795), (7120, 12896), (7936, 11570), (8060, 11392), (8320, 11036), (9256, 9920)]