245512680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15383}}^1$

素因数の和:15423

約数の個数: 128

約数和(自身を含む): 886118400

約数和(自身を除く): 640605720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 15383, 15960, 30766, 46149, 61532, 76915, 92298, 107681, 123064, 153830, 184596, 215362, 230745, 292277, 307660, 323043, 369192, 430724, 461490, 538405, 584554, 615320, 646086, 861448, 876831, 922980, 1076810, 1169108, 1292172, 1461385, 1615215, 1753662, 1845960, 2045939, 2153620, 2338216, 2584344, 2922770, 3230430, 3507324, 4091878, 4307240, 4384155, 5845540, 6137817, 6460860, 7014648, 8183756, 8768310, 10229695, 11691080, 12275634, 12921720, 16367512, 17536620, 20459390, 24551268, 30689085, 35073240, 40918780, 49102536, 61378170, 81837560, 122756340, 245512680]

約数ペア:

[(1, 245512680), (2, 122756340), (3, 81837560), (4, 61378170), (5, 49102536), (6, 40918780), (7, 35073240), (8, 30689085), (10, 24551268), (12, 20459390), (14, 17536620), (15, 16367512), (19, 12921720), (20, 12275634), (21, 11691080), (24, 10229695), (28, 8768310), (30, 8183756), (35, 7014648), (38, 6460860), (40, 6137817), (42, 5845540), (56, 4384155), (57, 4307240), (60, 4091878), (70, 3507324), (76, 3230430), (84, 2922770), (95, 2584344), (105, 2338216), (114, 2153620), (120, 2045939), (133, 1845960), (140, 1753662), (152, 1615215), (168, 1461385), (190, 1292172), (210, 1169108), (228, 1076810), (266, 922980), (280, 876831), (285, 861448), (380, 646086), (399, 615320), (420, 584554), (456, 538405), (532, 461490), (570, 430724), (665, 369192), (760, 323043), (798, 307660), (840, 292277), (1064, 230745), (1140, 215362), (1330, 184596), (1596, 153830), (1995, 123064), (2280, 107681), (2660, 92298), (3192, 76915), (3990, 61532), (5320, 46149), (7980, 30766), (15383, 15960)]