189538440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1021}}^1$

素因数の和:1072

約数の個数: 256

約数和(自身を含む): 741726720

約数和(自身を除く): 552188280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 17, 20, 21, 24, 26, 28, 30, 34, 35, 39, 40, 42, 51, 52, 56, 60, 65, 68, 70, 78, 84, 85, 91, 102, 104, 105, 119, 120, 130, 136, 140, 156, 168, 170, 182, 195, 204, 210, 221, 238, 255, 260, 273, 280, 312, 340, 357, 364, 390, 408, 420, 442, 455, 476, 510, 520, 546, 595, 663, 680, 714, 728, 780, 840, 884, 910, 952, 1020, 1021, 1092, 1105, 1190, 1326, 1365, 1428, 1547, 1560, 1768, 1785, 1820, 2040, 2042, 2184, 2210, 2380, 2652, 2730, 2856, 3063, 3094, 3315, 3570, 3640, 4084, 4420, 4641, 4760, 5105, 5304, 5460, 6126, 6188, 6630, 7140, 7147, 7735, 8168, 8840, 9282, 10210, 10920, 12252, 12376, 13260, 13273, 14280, 14294, 15315, 15470, 17357, 18564, 20420, 21441, 23205, 24504, 26520, 26546, 28588, 30630, 30940, 34714, 35735, 37128, 39819, 40840, 42882, 46410, 52071, 53092, 57176, 61260, 61880, 66365, 69428, 71470, 79638, 85764, 86785, 92820, 92911, 104142, 106184, 107205, 121499, 122520, 132730, 138856, 142940, 159276, 171528, 173570, 185640, 185822, 199095, 208284, 214410, 225641, 242998, 260355, 265460, 278733, 285880, 318552, 347140, 364497, 371644, 398190, 416568, 428820, 451282, 464555, 485996, 520710, 530920, 557466, 607495, 676923, 694280, 728994, 743288, 796380, 857640, 902564, 929110, 971992, 1041420, 1114932, 1128205, 1214990, 1353846, 1393665, 1457988, 1579487, 1592760, 1805128, 1822485, 1858220, 2082840, 2229864, 2256410, 2429980, 2707692, 2787330, 2915976, 3158974, 3384615, 3644970, 3716440, 4512820, 4738461, 4859960, 5415384, 5574660, 6317948, 6769230, 7289940, 7897435, 9025640, 9476922, 11149320, 12635896, 13538460, 14579880, 15794870, 18953844, 23692305, 27076920, 31589740, 37907688, 47384610, 63179480, 94769220, 189538440]

約数ペア:

[(1, 189538440), (2, 94769220), (3, 63179480), (4, 47384610), (5, 37907688), (6, 31589740), (7, 27076920), (8, 23692305), (10, 18953844), (12, 15794870), (13, 14579880), (14, 13538460), (15, 12635896), (17, 11149320), (20, 9476922), (21, 9025640), (24, 7897435), (26, 7289940), (28, 6769230), (30, 6317948), (34, 5574660), (35, 5415384), (39, 4859960), (40, 4738461), (42, 4512820), (51, 3716440), (52, 3644970), (56, 3384615), (60, 3158974), (65, 2915976), (68, 2787330), (70, 2707692), (78, 2429980), (84, 2256410), (85, 2229864), (91, 2082840), (102, 1858220), (104, 1822485), (105, 1805128), (119, 1592760), (120, 1579487), (130, 1457988), (136, 1393665), (140, 1353846), (156, 1214990), (168, 1128205), (170, 1114932), (182, 1041420), (195, 971992), (204, 929110), (210, 902564), (221, 857640), (238, 796380), (255, 743288), (260, 728994), (273, 694280), (280, 676923), (312, 607495), (340, 557466), (357, 530920), (364, 520710), (390, 485996), (408, 464555), (420, 451282), (442, 428820), (455, 416568), (476, 398190), (510, 371644), (520, 364497), (546, 347140), (595, 318552), (663, 285880), (680, 278733), (714, 265460), (728, 260355), (780, 242998), (840, 225641), (884, 214410), (910, 208284), (952, 199095), (1020, 185822), (1021, 185640), (1092, 173570), (1105, 171528), (1190, 159276), (1326, 142940), (1365, 138856), (1428, 132730), (1547, 122520), (1560, 121499), (1768, 107205), (1785, 106184), (1820, 104142), (2040, 92911), (2042, 92820), (2184, 86785), (2210, 85764), (2380, 79638), (2652, 71470), (2730, 69428), (2856, 66365), (3063, 61880), (3094, 61260), (3315, 57176), (3570, 53092), (3640, 52071), (4084, 46410), (4420, 42882), (4641, 40840), (4760, 39819), (5105, 37128), (5304, 35735), (5460, 34714), (6126, 30940), (6188, 30630), (6630, 28588), (7140, 26546), (7147, 26520), (7735, 24504), (8168, 23205), (8840, 21441), (9282, 20420), (10210, 18564), (10920, 17357), (12252, 15470), (12376, 15315), (13260, 14294), (13273, 14280)]