180664900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4483}}^1$

素因数の和:4541

約数の個数: 72

約数和(自身を含む): 435916544

約数和(自身を除く): 255251644

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 1300, 1550, 1612, 2015, 3100, 4030, 4483, 8060, 8966, 10075, 17932, 20150, 22415, 40300, 44830, 58279, 89660, 112075, 116558, 138973, 224150, 233116, 277946, 291395, 448300, 555892, 582790, 694865, 1165580, 1389730, 1456975, 1806649, 2779460, 2913950, 3474325, 3613298, 5827900, 6948650, 7226596, 9033245, 13897300, 18066490, 36132980, 45166225, 90332450, 180664900]

約数ペア:

[(1, 180664900), (2, 90332450), (4, 45166225), (5, 36132980), (10, 18066490), (13, 13897300), (20, 9033245), (25, 7226596), (26, 6948650), (31, 5827900), (50, 3613298), (52, 3474325), (62, 2913950), (65, 2779460), (100, 1806649), (124, 1456975), (130, 1389730), (155, 1165580), (260, 694865), (310, 582790), (325, 555892), (403, 448300), (620, 291395), (650, 277946), (775, 233116), (806, 224150), (1300, 138973), (1550, 116558), (1612, 112075), (2015, 89660), (3100, 58279), (4030, 44830), (4483, 40300), (8060, 22415), (8966, 20150), (10075, 17932)]