165215520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{397}}^1$

素因数の和:452

約数の個数: 216

約数和(自身を含む): 600422004

約数和(自身を除く): 435206484

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 289, 306, 340, 360, 397, 408, 480, 510, 544, 578, 612, 680, 720, 765, 794, 816, 867, 1020, 1156, 1191, 1224, 1360, 1440, 1445, 1530, 1588, 1632, 1734, 1985, 2040, 2312, 2382, 2448, 2601, 2720, 2890, 3060, 3176, 3468, 3573, 3970, 4080, 4335, 4624, 4764, 4896, 5202, 5780, 5955, 6120, 6352, 6749, 6936, 7146, 7940, 8160, 8670, 9248, 9528, 10404, 11560, 11910, 12240, 12704, 13005, 13498, 13872, 14292, 15880, 17340, 17865, 19056, 20247, 20808, 23120, 23820, 24480, 26010, 26996, 27744, 28584, 31760, 33745, 34680, 35730, 38112, 40494, 41616, 46240, 47640, 52020, 53992, 57168, 60741, 63520, 67490, 69360, 71460, 80988, 83232, 95280, 101235, 104040, 107984, 114336, 114733, 121482, 134980, 138720, 142920, 161976, 190560, 202470, 208080, 215968, 229466, 242964, 269960, 285840, 303705, 323952, 344199, 404940, 416160, 458932, 485928, 539920, 571680, 573665, 607410, 647904, 688398, 809880, 917864, 971856, 1032597, 1079840, 1147330, 1214820, 1376796, 1619760, 1720995, 1835728, 1943712, 2065194, 2294660, 2429640, 2753592, 3239520, 3441990, 3671456, 4130388, 4589320, 4859280, 5162985, 5507184, 6883980, 8260776, 9178640, 9718560, 10325970, 11014368, 13767960, 16521552, 18357280, 20651940, 27535920, 33043104, 41303880, 55071840, 82607760, 165215520]

約数ペア:

[(1, 165215520), (2, 82607760), (3, 55071840), (4, 41303880), (5, 33043104), (6, 27535920), (8, 20651940), (9, 18357280), (10, 16521552), (12, 13767960), (15, 11014368), (16, 10325970), (17, 9718560), (18, 9178640), (20, 8260776), (24, 6883980), (30, 5507184), (32, 5162985), (34, 4859280), (36, 4589320), (40, 4130388), (45, 3671456), (48, 3441990), (51, 3239520), (60, 2753592), (68, 2429640), (72, 2294660), (80, 2065194), (85, 1943712), (90, 1835728), (96, 1720995), (102, 1619760), (120, 1376796), (136, 1214820), (144, 1147330), (153, 1079840), (160, 1032597), (170, 971856), (180, 917864), (204, 809880), (240, 688398), (255, 647904), (272, 607410), (288, 573665), (289, 571680), (306, 539920), (340, 485928), (360, 458932), (397, 416160), (408, 404940), (480, 344199), (510, 323952), (544, 303705), (578, 285840), (612, 269960), (680, 242964), (720, 229466), (765, 215968), (794, 208080), (816, 202470), (867, 190560), (1020, 161976), (1156, 142920), (1191, 138720), (1224, 134980), (1360, 121482), (1440, 114733), (1445, 114336), (1530, 107984), (1588, 104040), (1632, 101235), (1734, 95280), (1985, 83232), (2040, 80988), (2312, 71460), (2382, 69360), (2448, 67490), (2601, 63520), (2720, 60741), (2890, 57168), (3060, 53992), (3176, 52020), (3468, 47640), (3573, 46240), (3970, 41616), (4080, 40494), (4335, 38112), (4624, 35730), (4764, 34680), (4896, 33745), (5202, 31760), (5780, 28584), (5955, 27744), (6120, 26996), (6352, 26010), (6749, 24480), (6936, 23820), (7146, 23120), (7940, 20808), (8160, 20247), (8670, 19056), (9248, 17865), (9528, 17340), (10404, 15880), (11560, 14292), (11910, 13872), (12240, 13498), (12704, 13005)]