655124940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{859}}^1$

素因数の和:1116

約数の個数: 144

約数和(自身を含む): 2103628800

約数和(自身を除く): 1448503860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 223, 228, 285, 342, 380, 446, 570, 669, 684, 855, 859, 892, 1115, 1140, 1338, 1710, 1718, 2007, 2230, 2577, 2676, 3345, 3420, 3436, 4014, 4237, 4295, 4460, 5154, 6690, 7731, 8028, 8474, 8590, 10035, 10308, 12711, 12885, 13380, 15462, 16321, 16948, 17180, 20070, 21185, 25422, 25770, 30924, 32642, 38133, 38655, 40140, 42370, 48963, 50844, 51540, 63555, 65284, 76266, 77310, 81605, 84740, 97926, 127110, 146889, 152532, 154620, 163210, 190665, 191557, 195852, 244815, 254220, 293778, 326420, 381330, 383114, 489630, 574671, 587556, 734445, 762660, 766228, 957785, 979260, 1149342, 1468890, 1724013, 1915570, 2298684, 2873355, 2937780, 3448026, 3639583, 3831140, 5746710, 6896052, 7279166, 8620065, 10918749, 11493420, 14558332, 17240130, 18197915, 21837498, 32756247, 34480260, 36395830, 43674996, 54593745, 65512494, 72791660, 109187490, 131024988, 163781235, 218374980, 327562470, 655124940]

約数ペア:

[(1, 655124940), (2, 327562470), (3, 218374980), (4, 163781235), (5, 131024988), (6, 109187490), (9, 72791660), (10, 65512494), (12, 54593745), (15, 43674996), (18, 36395830), (19, 34480260), (20, 32756247), (30, 21837498), (36, 18197915), (38, 17240130), (45, 14558332), (57, 11493420), (60, 10918749), (76, 8620065), (90, 7279166), (95, 6896052), (114, 5746710), (171, 3831140), (180, 3639583), (190, 3448026), (223, 2937780), (228, 2873355), (285, 2298684), (342, 1915570), (380, 1724013), (446, 1468890), (570, 1149342), (669, 979260), (684, 957785), (855, 766228), (859, 762660), (892, 734445), (1115, 587556), (1140, 574671), (1338, 489630), (1710, 383114), (1718, 381330), (2007, 326420), (2230, 293778), (2577, 254220), (2676, 244815), (3345, 195852), (3420, 191557), (3436, 190665), (4014, 163210), (4237, 154620), (4295, 152532), (4460, 146889), (5154, 127110), (6690, 97926), (7731, 84740), (8028, 81605), (8474, 77310), (8590, 76266), (10035, 65284), (10308, 63555), (12711, 51540), (12885, 50844), (13380, 48963), (15462, 42370), (16321, 40140), (16948, 38655), (17180, 38133), (20070, 32642), (21185, 30924), (25422, 25770)]