157788165

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 277364736

約数和(自身を除く): 119576571

約数列:

[1, 3, 5, 15, 23, 37, 47, 69, 111, 115, 141, 185, 235, 263, 345, 555, 705, 789, 851, 1081, 1315, 1739, 2553, 3243, 3945, 4255, 5217, 5405, 6049, 8695, 9731, 12361, 12765, 16215, 18147, 26085, 29193, 30245, 37083, 39997, 48655, 61805, 90735, 119991, 145965, 185415, 199985, 223813, 284303, 457357, 599955, 671439, 852909, 1119065, 1372071, 1421515, 2286785, 3357195, 4264545, 6860355, 10519211, 31557633, 52596055, 157788165]

約数ペア:

[(1, 157788165), (3, 52596055), (5, 31557633), (15, 10519211), (23, 6860355), (37, 4264545), (47, 3357195), (69, 2286785), (111, 1421515), (115, 1372071), (141, 1119065), (185, 852909), (235, 671439), (263, 599955), (345, 457357), (555, 284303), (705, 223813), (789, 199985), (851, 185415), (1081, 145965), (1315, 119991), (1739, 90735), (2553, 61805), (3243, 48655), (3945, 39997), (4255, 37083), (5217, 30245), (5405, 29193), (6049, 26085), (8695, 18147), (9731, 16215), (12361, 12765)]