161291988

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:167

約数の個数: 288

約数和(自身を含む): 539360640

約数和(自身を除く): 378068652

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 17, 18, 19, 22, 26, 33, 34, 36, 38, 39, 44, 51, 52, 57, 66, 68, 76, 78, 97, 99, 102, 114, 117, 132, 143, 153, 156, 171, 187, 194, 198, 204, 209, 221, 228, 234, 247, 286, 291, 306, 323, 342, 374, 388, 396, 418, 429, 442, 468, 494, 561, 572, 582, 612, 627, 646, 663, 684, 741, 748, 836, 858, 873, 884, 969, 988, 1067, 1122, 1164, 1254, 1261, 1287, 1292, 1326, 1482, 1649, 1683, 1716, 1746, 1843, 1881, 1938, 1989, 2134, 2223, 2244, 2431, 2508, 2522, 2574, 2652, 2717, 2907, 2964, 3201, 3298, 3366, 3492, 3553, 3686, 3762, 3783, 3876, 3978, 4199, 4268, 4446, 4862, 4947, 5044, 5148, 5434, 5529, 5814, 6402, 6596, 6732, 7106, 7293, 7372, 7524, 7566, 7956, 8151, 8398, 8892, 9603, 9724, 9894, 10659, 10868, 11058, 11349, 11628, 12597, 12804, 13871, 14212, 14586, 14841, 15132, 16302, 16587, 16796, 18139, 19206, 19788, 20273, 21318, 21437, 21879, 22116, 22698, 23959, 24453, 25194, 27742, 29172, 29682, 31331, 31977, 32604, 33174, 36278, 37791, 38412, 40546, 41613, 42636, 42874, 43758, 45396, 46189, 47918, 48906, 50388, 54417, 55484, 59364, 60819, 62662, 63954, 64311, 66348, 71877, 72556, 75582, 81092, 83226, 85748, 87516, 92378, 93993, 95836, 97812, 108834, 121638, 124839, 125324, 127908, 128622, 138567, 143754, 151164, 163251, 166452, 182457, 184756, 187986, 192933, 215631, 217668, 235807, 243276, 249678, 257244, 263549, 277134, 281979, 287508, 326502, 344641, 364914, 375972, 385866, 407303, 415701, 431262, 471614, 499356, 527098, 554268, 563958, 653004, 689282, 707421, 729828, 771732, 790647, 814606, 831402, 862524, 943228, 1033923, 1054196, 1127916, 1221909, 1378564, 1414842, 1581294, 1629212, 1662804, 2067846, 2122263, 2371941, 2443818, 2829684, 3101769, 3162588, 3665727, 4135692, 4244526, 4480333, 4743882, 4887636, 6203538, 7331454, 8489052, 8960666, 9487764, 12407076, 13440999, 14662908, 17921332, 26881998, 40322997, 53763996, 80645994, 161291988]

約数ペア:

[(1, 161291988), (2, 80645994), (3, 53763996), (4, 40322997), (6, 26881998), (9, 17921332), (11, 14662908), (12, 13440999), (13, 12407076), (17, 9487764), (18, 8960666), (19, 8489052), (22, 7331454), (26, 6203538), (33, 4887636), (34, 4743882), (36, 4480333), (38, 4244526), (39, 4135692), (44, 3665727), (51, 3162588), (52, 3101769), (57, 2829684), (66, 2443818), (68, 2371941), (76, 2122263), (78, 2067846), (97, 1662804), (99, 1629212), (102, 1581294), (114, 1414842), (117, 1378564), (132, 1221909), (143, 1127916), (153, 1054196), (156, 1033923), (171, 943228), (187, 862524), (194, 831402), (198, 814606), (204, 790647), (209, 771732), (221, 729828), (228, 707421), (234, 689282), (247, 653004), (286, 563958), (291, 554268), (306, 527098), (323, 499356), (342, 471614), (374, 431262), (388, 415701), (396, 407303), (418, 385866), (429, 375972), (442, 364914), (468, 344641), (494, 326502), (561, 287508), (572, 281979), (582, 277134), (612, 263549), (627, 257244), (646, 249678), (663, 243276), (684, 235807), (741, 217668), (748, 215631), (836, 192933), (858, 187986), (873, 184756), (884, 182457), (969, 166452), (988, 163251), (1067, 151164), (1122, 143754), (1164, 138567), (1254, 128622), (1261, 127908), (1287, 125324), (1292, 124839), (1326, 121638), (1482, 108834), (1649, 97812), (1683, 95836), (1716, 93993), (1746, 92378), (1843, 87516), (1881, 85748), (1938, 83226), (1989, 81092), (2134, 75582), (2223, 72556), (2244, 71877), (2431, 66348), (2508, 64311), (2522, 63954), (2574, 62662), (2652, 60819), (2717, 59364), (2907, 55484), (2964, 54417), (3201, 50388), (3298, 48906), (3366, 47918), (3492, 46189), (3553, 45396), (3686, 43758), (3762, 42874), (3783, 42636), (3876, 41613), (3978, 40546), (4199, 38412), (4268, 37791), (4446, 36278), (4862, 33174), (4947, 32604), (5044, 31977), (5148, 31331), (5434, 29682), (5529, 29172), (5814, 27742), (6402, 25194), (6596, 24453), (6732, 23959), (7106, 22698), (7293, 22116), (7372, 21879), (7524, 21437), (7566, 21318), (7956, 20273), (8151, 19788), (8398, 19206), (8892, 18139), (9603, 16796), (9724, 16587), (9894, 16302), (10659, 15132), (10868, 14841), (11058, 14586), (11349, 14212), (11628, 13871), (12597, 12804)]