178431240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4973}}^1$

素因数の和:5023

約数の個数: 128

約数和(自身を含む): 601655040

約数和(自身を除く): 423223800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2392, 2760, 2990, 3588, 4485, 4973, 5980, 7176, 8970, 9946, 11960, 14919, 17940, 19892, 24865, 29838, 35880, 39784, 49730, 59676, 64649, 74595, 99460, 114379, 119352, 129298, 149190, 193947, 198920, 228758, 258596, 298380, 323245, 343137, 387894, 457516, 517192, 571895, 596760, 646490, 686274, 775788, 915032, 969735, 1143790, 1292980, 1372548, 1486927, 1551576, 1715685, 1939470, 2287580, 2585960, 2745096, 2973854, 3431370, 3878940, 4460781, 4575160, 5947708, 6862740, 7434635, 7757880, 8921562, 11895416, 13725480, 14869270, 17843124, 22303905, 29738540, 35686248, 44607810, 59477080, 89215620, 178431240]

約数ペア:

[(1, 178431240), (2, 89215620), (3, 59477080), (4, 44607810), (5, 35686248), (6, 29738540), (8, 22303905), (10, 17843124), (12, 14869270), (13, 13725480), (15, 11895416), (20, 8921562), (23, 7757880), (24, 7434635), (26, 6862740), (30, 5947708), (39, 4575160), (40, 4460781), (46, 3878940), (52, 3431370), (60, 2973854), (65, 2745096), (69, 2585960), (78, 2287580), (92, 1939470), (104, 1715685), (115, 1551576), (120, 1486927), (130, 1372548), (138, 1292980), (156, 1143790), (184, 969735), (195, 915032), (230, 775788), (260, 686274), (276, 646490), (299, 596760), (312, 571895), (345, 517192), (390, 457516), (460, 387894), (520, 343137), (552, 323245), (598, 298380), (690, 258596), (780, 228758), (897, 198920), (920, 193947), (1196, 149190), (1380, 129298), (1495, 119352), (1560, 114379), (1794, 99460), (2392, 74595), (2760, 64649), (2990, 59676), (3588, 49730), (4485, 39784), (4973, 35880), (5980, 29838), (7176, 24865), (8970, 19892), (9946, 17940), (11960, 14919)]