172365720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4447}}^1$

素因数の和:4497

約数の個数: 128

約数和(自身を含む): 576460800

約数和(自身を除く): 404095080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 255, 285, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 969, 1020, 1140, 1292, 1615, 1938, 2040, 2280, 2584, 3230, 3876, 4447, 4845, 6460, 7752, 8894, 9690, 12920, 13341, 17788, 19380, 22235, 26682, 35576, 38760, 44470, 53364, 66705, 75599, 84493, 88940, 106728, 133410, 151198, 168986, 177880, 226797, 253479, 266820, 302396, 337972, 377995, 422465, 453594, 506958, 533640, 604792, 675944, 755990, 844930, 907188, 1013916, 1133985, 1267395, 1436381, 1511980, 1689860, 1814376, 2027832, 2267970, 2534790, 2872762, 3023960, 3379720, 4309143, 4535940, 5069580, 5745524, 7181905, 8618286, 9071880, 10139160, 11491048, 14363810, 17236572, 21545715, 28727620, 34473144, 43091430, 57455240, 86182860, 172365720]

約数ペア:

[(1, 172365720), (2, 86182860), (3, 57455240), (4, 43091430), (5, 34473144), (6, 28727620), (8, 21545715), (10, 17236572), (12, 14363810), (15, 11491048), (17, 10139160), (19, 9071880), (20, 8618286), (24, 7181905), (30, 5745524), (34, 5069580), (38, 4535940), (40, 4309143), (51, 3379720), (57, 3023960), (60, 2872762), (68, 2534790), (76, 2267970), (85, 2027832), (95, 1814376), (102, 1689860), (114, 1511980), (120, 1436381), (136, 1267395), (152, 1133985), (170, 1013916), (190, 907188), (204, 844930), (228, 755990), (255, 675944), (285, 604792), (323, 533640), (340, 506958), (380, 453594), (408, 422465), (456, 377995), (510, 337972), (570, 302396), (646, 266820), (680, 253479), (760, 226797), (969, 177880), (1020, 168986), (1140, 151198), (1292, 133410), (1615, 106728), (1938, 88940), (2040, 84493), (2280, 75599), (2584, 66705), (3230, 53364), (3876, 44470), (4447, 38760), (4845, 35576), (6460, 26682), (7752, 22235), (8894, 19380), (9690, 17788), (12920, 13341)]