179968040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1619}}^1$

素因数の和:2034

約数の個数: 64

約数和(自身を含む): 464227200

約数和(自身を除く): 284259160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 397, 794, 1588, 1619, 1985, 2779, 3176, 3238, 3970, 5558, 6476, 7940, 8095, 11116, 11333, 12952, 13895, 15880, 16190, 22232, 22666, 27790, 32380, 45332, 55580, 56665, 64760, 90664, 111160, 113330, 226660, 453320, 642743, 1285486, 2570972, 3213715, 4499201, 5141944, 6427430, 8998402, 12854860, 17996804, 22496005, 25709720, 35993608, 44992010, 89984020, 179968040]

約数ペア:

[(1, 179968040), (2, 89984020), (4, 44992010), (5, 35993608), (7, 25709720), (8, 22496005), (10, 17996804), (14, 12854860), (20, 8998402), (28, 6427430), (35, 5141944), (40, 4499201), (56, 3213715), (70, 2570972), (140, 1285486), (280, 642743), (397, 453320), (794, 226660), (1588, 113330), (1619, 111160), (1985, 90664), (2779, 64760), (3176, 56665), (3238, 55580), (3970, 45332), (5558, 32380), (6476, 27790), (7940, 22666), (8095, 22232), (11116, 16190), (11333, 15880), (12952, 13895)]