28971307920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{204947}}^1$

素因数の和:205013

約数の個数: 160

約数和(自身を含む): 97588039680

約数和(自身を除く): 68616731760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 240, 248, 285, 304, 310, 372, 380, 456, 465, 496, 570, 589, 620, 744, 760, 912, 930, 1140, 1178, 1240, 1488, 1520, 1767, 1860, 2280, 2356, 2480, 2945, 3534, 3720, 4560, 4712, 5890, 7068, 7440, 8835, 9424, 11780, 14136, 17670, 23560, 28272, 35340, 47120, 70680, 141360, 204947, 409894, 614841, 819788, 1024735, 1229682, 1639576, 2049470, 2459364, 3074205, 3279152, 3893993, 4098940, 4918728, 6148410, 6353357, 7787986, 8197880, 9837456, 11681979, 12296820, 12706714, 15575972, 16395760, 19060071, 19469965, 23363958, 24593640, 25413428, 31151944, 31766785, 38120142, 38939930, 46727916, 49187280, 50826856, 58409895, 62303888, 63533570, 76240284, 77879860, 93455832, 95300355, 101653712, 116819790, 120713783, 127067140, 152480568, 155759720, 186911664, 190600710, 233639580, 241427566, 254134280, 304961136, 311519440, 362141349, 381201420, 467279160, 482855132, 508268560, 603568915, 724282698, 762402840, 934558320, 965710264, 1207137830, 1448565396, 1524805680, 1810706745, 1931420528, 2414275660, 2897130792, 3621413490, 4828551320, 5794261584, 7242826980, 9657102640, 14485653960, 28971307920]

約数ペア:

[(1, 28971307920), (2, 14485653960), (3, 9657102640), (4, 7242826980), (5, 5794261584), (6, 4828551320), (8, 3621413490), (10, 2897130792), (12, 2414275660), (15, 1931420528), (16, 1810706745), (19, 1524805680), (20, 1448565396), (24, 1207137830), (30, 965710264), (31, 934558320), (38, 762402840), (40, 724282698), (48, 603568915), (57, 508268560), (60, 482855132), (62, 467279160), (76, 381201420), (80, 362141349), (93, 311519440), (95, 304961136), (114, 254134280), (120, 241427566), (124, 233639580), (152, 190600710), (155, 186911664), (186, 155759720), (190, 152480568), (228, 127067140), (240, 120713783), (248, 116819790), (285, 101653712), (304, 95300355), (310, 93455832), (372, 77879860), (380, 76240284), (456, 63533570), (465, 62303888), (496, 58409895), (570, 50826856), (589, 49187280), (620, 46727916), (744, 38939930), (760, 38120142), (912, 31766785), (930, 31151944), (1140, 25413428), (1178, 24593640), (1240, 23363958), (1488, 19469965), (1520, 19060071), (1767, 16395760), (1860, 15575972), (2280, 12706714), (2356, 12296820), (2480, 11681979), (2945, 9837456), (3534, 8197880), (3720, 7787986), (4560, 6353357), (4712, 6148410), (5890, 4918728), (7068, 4098940), (7440, 3893993), (8835, 3279152), (9424, 3074205), (11780, 2459364), (14136, 2049470), (17670, 1639576), (23560, 1229682), (28272, 1024735), (35340, 819788), (47120, 614841), (70680, 409894), (141360, 204947)]