251717640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{757}}^1$

素因数の和:951

約数の個数: 128

約数和(自身を含む): 805541760

約数和(自身を除く): 553824120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 163, 170, 204, 255, 326, 340, 408, 489, 510, 652, 680, 757, 815, 978, 1020, 1304, 1514, 1630, 1956, 2040, 2271, 2445, 2771, 3028, 3260, 3785, 3912, 4542, 4890, 5542, 6056, 6520, 7570, 8313, 9084, 9780, 11084, 11355, 12869, 13855, 15140, 16626, 18168, 19560, 22168, 22710, 25738, 27710, 30280, 33252, 38607, 41565, 45420, 51476, 55420, 64345, 66504, 77214, 83130, 90840, 102952, 110840, 123391, 128690, 154428, 166260, 193035, 246782, 257380, 308856, 332520, 370173, 386070, 493564, 514760, 616955, 740346, 772140, 987128, 1233910, 1480692, 1544280, 1850865, 2097647, 2467820, 2961384, 3701730, 4195294, 4935640, 6292941, 7403460, 8390588, 10488235, 12585882, 14806920, 16781176, 20976470, 25171764, 31464705, 41952940, 50343528, 62929410, 83905880, 125858820, 251717640]

約数ペア:

[(1, 251717640), (2, 125858820), (3, 83905880), (4, 62929410), (5, 50343528), (6, 41952940), (8, 31464705), (10, 25171764), (12, 20976470), (15, 16781176), (17, 14806920), (20, 12585882), (24, 10488235), (30, 8390588), (34, 7403460), (40, 6292941), (51, 4935640), (60, 4195294), (68, 3701730), (85, 2961384), (102, 2467820), (120, 2097647), (136, 1850865), (163, 1544280), (170, 1480692), (204, 1233910), (255, 987128), (326, 772140), (340, 740346), (408, 616955), (489, 514760), (510, 493564), (652, 386070), (680, 370173), (757, 332520), (815, 308856), (978, 257380), (1020, 246782), (1304, 193035), (1514, 166260), (1630, 154428), (1956, 128690), (2040, 123391), (2271, 110840), (2445, 102952), (2771, 90840), (3028, 83130), (3260, 77214), (3785, 66504), (3912, 64345), (4542, 55420), (4890, 51476), (5542, 45420), (6056, 41565), (6520, 38607), (7570, 33252), (8313, 30280), (9084, 27710), (9780, 25738), (11084, 22710), (11355, 22168), (12869, 19560), (13855, 18168), (15140, 16626)]