81203340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 251935488

約数和(自身を除く): 170732148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 23, 30, 38, 46, 57, 60, 69, 76, 92, 95, 114, 115, 138, 163, 190, 228, 230, 276, 285, 326, 345, 361, 380, 437, 460, 489, 570, 652, 690, 722, 815, 874, 978, 1083, 1140, 1311, 1380, 1444, 1630, 1748, 1805, 1956, 2166, 2185, 2445, 2622, 3097, 3260, 3610, 3749, 4332, 4370, 4890, 5244, 5415, 6194, 6555, 7220, 7498, 8303, 8740, 9291, 9780, 10830, 11247, 12388, 13110, 14996, 15485, 16606, 18582, 18745, 21660, 22494, 24909, 26220, 30970, 33212, 37164, 37490, 41515, 44988, 46455, 49818, 56235, 58843, 61940, 71231, 74980, 83030, 92910, 99636, 112470, 117686, 124545, 142462, 166060, 176529, 185820, 213693, 224940, 235372, 249090, 284924, 294215, 353058, 356155, 427386, 498180, 588430, 706116, 712310, 854772, 882645, 1068465, 1176860, 1353389, 1424620, 1765290, 2136930, 2706778, 3530580, 4060167, 4273860, 5413556, 6766945, 8120334, 13533890, 16240668, 20300835, 27067780, 40601670, 81203340]

約数ペア:

[(1, 81203340), (2, 40601670), (3, 27067780), (4, 20300835), (5, 16240668), (6, 13533890), (10, 8120334), (12, 6766945), (15, 5413556), (19, 4273860), (20, 4060167), (23, 3530580), (30, 2706778), (38, 2136930), (46, 1765290), (57, 1424620), (60, 1353389), (69, 1176860), (76, 1068465), (92, 882645), (95, 854772), (114, 712310), (115, 706116), (138, 588430), (163, 498180), (190, 427386), (228, 356155), (230, 353058), (276, 294215), (285, 284924), (326, 249090), (345, 235372), (361, 224940), (380, 213693), (437, 185820), (460, 176529), (489, 166060), (570, 142462), (652, 124545), (690, 117686), (722, 112470), (815, 99636), (874, 92910), (978, 83030), (1083, 74980), (1140, 71231), (1311, 61940), (1380, 58843), (1444, 56235), (1630, 49818), (1748, 46455), (1805, 44988), (1956, 41515), (2166, 37490), (2185, 37164), (2445, 33212), (2622, 30970), (3097, 26220), (3260, 24909), (3610, 22494), (3749, 21660), (4332, 18745), (4370, 18582), (4890, 16606), (5244, 15485), (5415, 14996), (6194, 13110), (6555, 12388), (7220, 11247), (7498, 10830), (8303, 9780), (8740, 9291)]