68205440

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:188

約数の個数: 128

約数和(自身を含む): 176256000

約数和(自身を除く): 108050560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 71, 76, 79, 80, 95, 128, 142, 152, 158, 160, 190, 284, 304, 316, 320, 355, 380, 395, 568, 608, 632, 640, 710, 760, 790, 1136, 1216, 1264, 1349, 1420, 1501, 1520, 1580, 2272, 2432, 2528, 2698, 2840, 3002, 3040, 3160, 4544, 5056, 5396, 5609, 5680, 6004, 6080, 6320, 6745, 7505, 9088, 10112, 10792, 11218, 11360, 12008, 12160, 12640, 13490, 15010, 21584, 22436, 22720, 24016, 25280, 26980, 28045, 30020, 43168, 44872, 45440, 48032, 50560, 53960, 56090, 60040, 86336, 89744, 96064, 106571, 107920, 112180, 120080, 172672, 179488, 192128, 213142, 215840, 224360, 240160, 358976, 426284, 431680, 448720, 480320, 532855, 717952, 852568, 863360, 897440, 960640, 1065710, 1705136, 1794880, 2131420, 3410272, 3589760, 4262840, 6820544, 8525680, 13641088, 17051360, 34102720, 68205440]

約数ペア:

[(1, 68205440), (2, 34102720), (4, 17051360), (5, 13641088), (8, 8525680), (10, 6820544), (16, 4262840), (19, 3589760), (20, 3410272), (32, 2131420), (38, 1794880), (40, 1705136), (64, 1065710), (71, 960640), (76, 897440), (79, 863360), (80, 852568), (95, 717952), (128, 532855), (142, 480320), (152, 448720), (158, 431680), (160, 426284), (190, 358976), (284, 240160), (304, 224360), (316, 215840), (320, 213142), (355, 192128), (380, 179488), (395, 172672), (568, 120080), (608, 112180), (632, 107920), (640, 106571), (710, 96064), (760, 89744), (790, 86336), (1136, 60040), (1216, 56090), (1264, 53960), (1349, 50560), (1420, 48032), (1501, 45440), (1520, 44872), (1580, 43168), (2272, 30020), (2432, 28045), (2528, 26980), (2698, 25280), (2840, 24016), (3002, 22720), (3040, 22436), (3160, 21584), (4544, 15010), (5056, 13490), (5396, 12640), (5609, 12160), (5680, 12008), (6004, 11360), (6080, 11218), (6320, 10792), (6745, 10112), (7505, 9088)]