90345920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{761}}^1$

素因数の和:838

約数の個数: 112

約数和(自身を含む): 250838208

約数和(自身を除く): 160492288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 140, 160, 212, 224, 265, 280, 320, 371, 424, 448, 530, 560, 742, 761, 848, 1060, 1120, 1484, 1522, 1696, 1855, 2120, 2240, 2968, 3044, 3392, 3710, 3805, 4240, 5327, 5936, 6088, 7420, 7610, 8480, 10654, 11872, 12176, 14840, 15220, 16960, 21308, 23744, 24352, 26635, 29680, 30440, 40333, 42616, 48704, 53270, 59360, 60880, 80666, 85232, 106540, 118720, 121760, 161332, 170464, 201665, 213080, 243520, 282331, 322664, 340928, 403330, 426160, 564662, 645328, 806660, 852320, 1129324, 1290656, 1411655, 1613320, 1704640, 2258648, 2581312, 2823310, 3226640, 4517296, 5646620, 6453280, 9034592, 11293240, 12906560, 18069184, 22586480, 45172960, 90345920]

約数ペア:

[(1, 90345920), (2, 45172960), (4, 22586480), (5, 18069184), (7, 12906560), (8, 11293240), (10, 9034592), (14, 6453280), (16, 5646620), (20, 4517296), (28, 3226640), (32, 2823310), (35, 2581312), (40, 2258648), (53, 1704640), (56, 1613320), (64, 1411655), (70, 1290656), (80, 1129324), (106, 852320), (112, 806660), (140, 645328), (160, 564662), (212, 426160), (224, 403330), (265, 340928), (280, 322664), (320, 282331), (371, 243520), (424, 213080), (448, 201665), (530, 170464), (560, 161332), (742, 121760), (761, 118720), (848, 106540), (1060, 85232), (1120, 80666), (1484, 60880), (1522, 59360), (1696, 53270), (1855, 48704), (2120, 42616), (2240, 40333), (2968, 30440), (3044, 29680), (3392, 26635), (3710, 24352), (3805, 23744), (4240, 21308), (5327, 16960), (5936, 15220), (6088, 14840), (7420, 12176), (7610, 11872), (8480, 10654)]