221907120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:567

約数の個数: 160

約数和(自身を含む): 735542208

約数和(自身を除く): 513635088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 137, 170, 204, 240, 255, 272, 274, 340, 397, 408, 411, 510, 548, 680, 685, 794, 816, 822, 1020, 1096, 1191, 1360, 1370, 1588, 1644, 1985, 2040, 2055, 2192, 2329, 2382, 2740, 3176, 3288, 3970, 4080, 4110, 4658, 4764, 5480, 5955, 6352, 6576, 6749, 6987, 7940, 8220, 9316, 9528, 10960, 11645, 11910, 13498, 13974, 15880, 16440, 18632, 19056, 20247, 23290, 23820, 26996, 27948, 31760, 32880, 33745, 34935, 37264, 40494, 46580, 47640, 53992, 54389, 55896, 67490, 69870, 80988, 93160, 95280, 101235, 107984, 108778, 111792, 134980, 139740, 161976, 163167, 186320, 202470, 217556, 269960, 271945, 279480, 323952, 326334, 404940, 435112, 539920, 543890, 558960, 652668, 809880, 815835, 870224, 924613, 1087780, 1305336, 1619760, 1631670, 1849226, 2175560, 2610672, 2773839, 3263340, 3698452, 4351120, 4623065, 5547678, 6526680, 7396904, 9246130, 11095356, 13053360, 13869195, 14793808, 18492260, 22190712, 27738390, 36984520, 44381424, 55476780, 73969040, 110953560, 221907120]

約数ペア:

[(1, 221907120), (2, 110953560), (3, 73969040), (4, 55476780), (5, 44381424), (6, 36984520), (8, 27738390), (10, 22190712), (12, 18492260), (15, 14793808), (16, 13869195), (17, 13053360), (20, 11095356), (24, 9246130), (30, 7396904), (34, 6526680), (40, 5547678), (48, 4623065), (51, 4351120), (60, 3698452), (68, 3263340), (80, 2773839), (85, 2610672), (102, 2175560), (120, 1849226), (136, 1631670), (137, 1619760), (170, 1305336), (204, 1087780), (240, 924613), (255, 870224), (272, 815835), (274, 809880), (340, 652668), (397, 558960), (408, 543890), (411, 539920), (510, 435112), (548, 404940), (680, 326334), (685, 323952), (794, 279480), (816, 271945), (822, 269960), (1020, 217556), (1096, 202470), (1191, 186320), (1360, 163167), (1370, 161976), (1588, 139740), (1644, 134980), (1985, 111792), (2040, 108778), (2055, 107984), (2192, 101235), (2329, 95280), (2382, 93160), (2740, 80988), (3176, 69870), (3288, 67490), (3970, 55896), (4080, 54389), (4110, 53992), (4658, 47640), (4764, 46580), (5480, 40494), (5955, 37264), (6352, 34935), (6576, 33745), (6749, 32880), (6987, 31760), (7940, 27948), (8220, 26996), (9316, 23820), (9528, 23290), (10960, 20247), (11645, 19056), (11910, 18632), (13498, 16440), (13974, 15880)]