31346640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:246

約数の個数: 240

約数和(自身を含む): 120648528

約数和(自身を除く): 89301888

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 48, 51, 52, 60, 65, 68, 72, 78, 80, 85, 90, 102, 104, 117, 120, 130, 136, 144, 153, 156, 170, 180, 195, 197, 204, 208, 221, 234, 240, 255, 260, 272, 306, 312, 340, 360, 390, 394, 408, 442, 468, 510, 520, 585, 591, 612, 624, 663, 680, 720, 765, 780, 788, 816, 884, 936, 985, 1020, 1040, 1105, 1170, 1182, 1224, 1326, 1360, 1530, 1560, 1576, 1768, 1773, 1872, 1970, 1989, 2040, 2210, 2340, 2364, 2448, 2561, 2652, 2955, 3060, 3120, 3152, 3315, 3349, 3536, 3546, 3940, 3978, 4080, 4420, 4680, 4728, 5122, 5304, 5910, 6120, 6630, 6698, 7092, 7683, 7880, 7956, 8840, 8865, 9360, 9456, 9945, 10047, 10244, 10608, 11820, 12240, 12805, 13260, 13396, 14184, 15366, 15760, 15912, 16745, 17680, 17730, 19890, 20094, 20488, 23049, 23640, 25610, 26520, 26792, 28368, 30141, 30732, 31824, 33490, 35460, 38415, 39780, 40188, 40976, 43537, 46098, 47280, 50235, 51220, 53040, 53584, 60282, 61464, 66980, 70920, 76830, 79560, 80376, 87074, 92196, 100470, 102440, 115245, 120564, 122928, 130611, 133960, 141840, 150705, 153660, 159120, 160752, 174148, 184392, 200940, 204880, 217685, 230490, 241128, 261222, 267920, 301410, 307320, 348296, 368784, 391833, 401880, 435370, 460980, 482256, 522444, 602820, 614640, 653055, 696592, 783666, 803760, 870740, 921960, 1044888, 1205640, 1306110, 1567332, 1741480, 1843920, 1959165, 2089776, 2411280, 2612220, 3134664, 3482960, 3918330, 5224440, 6269328, 7836660, 10448880, 15673320, 31346640]

約数ペア:

[(1, 31346640), (2, 15673320), (3, 10448880), (4, 7836660), (5, 6269328), (6, 5224440), (8, 3918330), (9, 3482960), (10, 3134664), (12, 2612220), (13, 2411280), (15, 2089776), (16, 1959165), (17, 1843920), (18, 1741480), (20, 1567332), (24, 1306110), (26, 1205640), (30, 1044888), (34, 921960), (36, 870740), (39, 803760), (40, 783666), (45, 696592), (48, 653055), (51, 614640), (52, 602820), (60, 522444), (65, 482256), (68, 460980), (72, 435370), (78, 401880), (80, 391833), (85, 368784), (90, 348296), (102, 307320), (104, 301410), (117, 267920), (120, 261222), (130, 241128), (136, 230490), (144, 217685), (153, 204880), (156, 200940), (170, 184392), (180, 174148), (195, 160752), (197, 159120), (204, 153660), (208, 150705), (221, 141840), (234, 133960), (240, 130611), (255, 122928), (260, 120564), (272, 115245), (306, 102440), (312, 100470), (340, 92196), (360, 87074), (390, 80376), (394, 79560), (408, 76830), (442, 70920), (468, 66980), (510, 61464), (520, 60282), (585, 53584), (591, 53040), (612, 51220), (624, 50235), (663, 47280), (680, 46098), (720, 43537), (765, 40976), (780, 40188), (788, 39780), (816, 38415), (884, 35460), (936, 33490), (985, 31824), (1020, 30732), (1040, 30141), (1105, 28368), (1170, 26792), (1182, 26520), (1224, 25610), (1326, 23640), (1360, 23049), (1530, 20488), (1560, 20094), (1576, 19890), (1768, 17730), (1773, 17680), (1872, 16745), (1970, 15912), (1989, 15760), (2040, 15366), (2210, 14184), (2340, 13396), (2364, 13260), (2448, 12805), (2561, 12240), (2652, 11820), (2955, 10608), (3060, 10244), (3120, 10047), (3152, 9945), (3315, 9456), (3349, 9360), (3536, 8865), (3546, 8840), (3940, 7956), (3978, 7880), (4080, 7683), (4420, 7092), (4680, 6698), (4728, 6630), (5122, 6120), (5304, 5910)]