81694860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:204

約数の個数: 192

約数和(自身を含む): 267732864

約数和(自身を除く): 186038004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 61, 65, 68, 78, 85, 101, 102, 122, 130, 156, 170, 183, 195, 202, 204, 221, 244, 255, 260, 303, 305, 340, 366, 390, 404, 442, 505, 510, 606, 610, 663, 732, 780, 793, 884, 915, 1010, 1020, 1037, 1105, 1212, 1220, 1313, 1326, 1515, 1586, 1717, 1830, 2020, 2074, 2210, 2379, 2626, 2652, 3030, 3111, 3172, 3315, 3434, 3660, 3939, 3965, 4148, 4420, 4758, 5151, 5185, 5252, 6060, 6161, 6222, 6565, 6630, 6868, 7878, 7930, 8585, 9516, 10302, 10370, 11895, 12322, 12444, 13130, 13260, 13481, 15555, 15756, 15860, 17170, 18483, 19695, 20604, 20740, 22321, 23790, 24644, 25755, 26260, 26962, 30805, 31110, 34340, 36966, 39390, 40443, 44642, 47580, 51510, 53924, 61610, 62220, 66963, 67405, 73932, 78780, 80093, 80886, 89284, 92415, 103020, 104737, 111605, 123220, 133926, 134810, 160186, 161772, 184830, 202215, 209474, 223210, 240279, 267852, 269620, 314211, 320372, 334815, 369660, 400465, 404430, 418948, 446420, 480558, 523685, 628422, 669630, 800930, 808860, 961116, 1047370, 1201395, 1256844, 1339260, 1361581, 1571055, 1601860, 2094740, 2402790, 2723162, 3142110, 4084743, 4805580, 5446324, 6284220, 6807905, 8169486, 13615810, 16338972, 20423715, 27231620, 40847430, 81694860]

約数ペア:

[(1, 81694860), (2, 40847430), (3, 27231620), (4, 20423715), (5, 16338972), (6, 13615810), (10, 8169486), (12, 6807905), (13, 6284220), (15, 5446324), (17, 4805580), (20, 4084743), (26, 3142110), (30, 2723162), (34, 2402790), (39, 2094740), (51, 1601860), (52, 1571055), (60, 1361581), (61, 1339260), (65, 1256844), (68, 1201395), (78, 1047370), (85, 961116), (101, 808860), (102, 800930), (122, 669630), (130, 628422), (156, 523685), (170, 480558), (183, 446420), (195, 418948), (202, 404430), (204, 400465), (221, 369660), (244, 334815), (255, 320372), (260, 314211), (303, 269620), (305, 267852), (340, 240279), (366, 223210), (390, 209474), (404, 202215), (442, 184830), (505, 161772), (510, 160186), (606, 134810), (610, 133926), (663, 123220), (732, 111605), (780, 104737), (793, 103020), (884, 92415), (915, 89284), (1010, 80886), (1020, 80093), (1037, 78780), (1105, 73932), (1212, 67405), (1220, 66963), (1313, 62220), (1326, 61610), (1515, 53924), (1586, 51510), (1717, 47580), (1830, 44642), (2020, 40443), (2074, 39390), (2210, 36966), (2379, 34340), (2626, 31110), (2652, 30805), (3030, 26962), (3111, 26260), (3172, 25755), (3315, 24644), (3434, 23790), (3660, 22321), (3939, 20740), (3965, 20604), (4148, 19695), (4420, 18483), (4758, 17170), (5151, 15860), (5185, 15756), (5252, 15555), (6060, 13481), (6161, 13260), (6222, 13130), (6565, 12444), (6630, 12322), (6868, 11895), (7878, 10370), (7930, 10302), (8585, 9516)]