129083720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 330220800

約数和(自身を除く): 201137080

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 97, 103, 136, 152, 170, 190, 194, 206, 323, 340, 380, 388, 412, 485, 515, 646, 680, 760, 776, 824, 970, 1030, 1292, 1615, 1649, 1751, 1843, 1940, 1957, 2060, 2584, 3230, 3298, 3502, 3686, 3880, 3914, 4120, 6460, 6596, 7004, 7372, 7828, 8245, 8755, 9215, 9785, 9991, 12920, 13192, 14008, 14744, 15656, 16490, 17510, 18430, 19570, 19982, 31331, 32980, 33269, 35020, 36860, 39140, 39964, 49955, 62662, 65960, 66538, 70040, 73720, 78280, 79928, 99910, 125324, 133076, 156655, 166345, 169847, 189829, 199820, 250648, 266152, 313310, 332690, 339694, 379658, 399640, 626620, 665380, 679388, 759316, 849235, 949145, 1253240, 1330760, 1358776, 1518632, 1698470, 1898290, 3227093, 3396940, 3796580, 6454186, 6793880, 7593160, 12908372, 16135465, 25816744, 32270930, 64541860, 129083720]

約数ペア:

[(1, 129083720), (2, 64541860), (4, 32270930), (5, 25816744), (8, 16135465), (10, 12908372), (17, 7593160), (19, 6793880), (20, 6454186), (34, 3796580), (38, 3396940), (40, 3227093), (68, 1898290), (76, 1698470), (85, 1518632), (95, 1358776), (97, 1330760), (103, 1253240), (136, 949145), (152, 849235), (170, 759316), (190, 679388), (194, 665380), (206, 626620), (323, 399640), (340, 379658), (380, 339694), (388, 332690), (412, 313310), (485, 266152), (515, 250648), (646, 199820), (680, 189829), (760, 169847), (776, 166345), (824, 156655), (970, 133076), (1030, 125324), (1292, 99910), (1615, 79928), (1649, 78280), (1751, 73720), (1843, 70040), (1940, 66538), (1957, 65960), (2060, 62662), (2584, 49955), (3230, 39964), (3298, 39140), (3502, 36860), (3686, 35020), (3880, 33269), (3914, 32980), (4120, 31331), (6460, 19982), (6596, 19570), (7004, 18430), (7372, 17510), (7828, 16490), (8245, 15656), (8755, 14744), (9215, 14008), (9785, 13192), (9991, 12920)]