30478890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2521}}^1$

素因数の和:2575

約数の個数: 64

約数和(自身を含む): 81349632

約数和(自身を除く): 50870742

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2418, 2521, 4030, 5042, 6045, 7563, 12090, 12605, 15126, 25210, 32773, 37815, 65546, 75630, 78151, 98319, 156302, 163865, 196638, 234453, 327730, 390755, 468906, 491595, 781510, 983190, 1015963, 1172265, 2031926, 2344530, 3047889, 5079815, 6095778, 10159630, 15239445, 30478890]

約数ペア:

[(1, 30478890), (2, 15239445), (3, 10159630), (5, 6095778), (6, 5079815), (10, 3047889), (13, 2344530), (15, 2031926), (26, 1172265), (30, 1015963), (31, 983190), (39, 781510), (62, 491595), (65, 468906), (78, 390755), (93, 327730), (130, 234453), (155, 196638), (186, 163865), (195, 156302), (310, 98319), (390, 78151), (403, 75630), (465, 65546), (806, 37815), (930, 32773), (1209, 25210), (2015, 15126), (2418, 12605), (2521, 12090), (4030, 7563), (5042, 6045)]