30638760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1$

素因数の和:707

約数の個数: 128

約数和(自身を含む): 101710080

約数和(自身を除く): 71071320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 653, 680, 690, 782, 920, 1020, 1173, 1306, 1380, 1564, 1955, 1959, 2040, 2346, 2612, 2760, 3128, 3265, 3910, 3918, 4692, 5224, 5865, 6530, 7820, 7836, 9384, 9795, 11101, 11730, 13060, 15019, 15640, 15672, 19590, 22202, 23460, 26120, 30038, 33303, 39180, 44404, 45057, 46920, 55505, 60076, 66606, 75095, 78360, 88808, 90114, 111010, 120152, 133212, 150190, 166515, 180228, 222020, 225285, 255323, 266424, 300380, 333030, 360456, 444040, 450570, 510646, 600760, 666060, 765969, 901140, 1021292, 1276615, 1332120, 1531938, 1802280, 2042584, 2553230, 3063876, 3829845, 5106460, 6127752, 7659690, 10212920, 15319380, 30638760]

約数ペア:

[(1, 30638760), (2, 15319380), (3, 10212920), (4, 7659690), (5, 6127752), (6, 5106460), (8, 3829845), (10, 3063876), (12, 2553230), (15, 2042584), (17, 1802280), (20, 1531938), (23, 1332120), (24, 1276615), (30, 1021292), (34, 901140), (40, 765969), (46, 666060), (51, 600760), (60, 510646), (68, 450570), (69, 444040), (85, 360456), (92, 333030), (102, 300380), (115, 266424), (120, 255323), (136, 225285), (138, 222020), (170, 180228), (184, 166515), (204, 150190), (230, 133212), (255, 120152), (276, 111010), (340, 90114), (345, 88808), (391, 78360), (408, 75095), (460, 66606), (510, 60076), (552, 55505), (653, 46920), (680, 45057), (690, 44404), (782, 39180), (920, 33303), (1020, 30038), (1173, 26120), (1306, 23460), (1380, 22202), (1564, 19590), (1955, 15672), (1959, 15640), (2040, 15019), (2346, 13060), (2612, 11730), (2760, 11101), (3128, 9795), (3265, 9384), (3910, 7836), (3918, 7820), (4692, 6530), (5224, 5865)]