72098560

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 188375040

約数和(自身を除く): 116276480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 79, 80, 92, 115, 124, 128, 155, 158, 160, 184, 230, 248, 256, 310, 316, 320, 368, 395, 460, 496, 620, 632, 640, 713, 736, 790, 920, 992, 1240, 1264, 1280, 1426, 1472, 1580, 1817, 1840, 1984, 2449, 2480, 2528, 2852, 2944, 3160, 3565, 3634, 3680, 3968, 4898, 4960, 5056, 5704, 5888, 6320, 7130, 7268, 7360, 7936, 9085, 9796, 9920, 10112, 11408, 12245, 12640, 14260, 14536, 14720, 18170, 19592, 19840, 20224, 22816, 24490, 25280, 28520, 29072, 29440, 36340, 39184, 39680, 45632, 48980, 50560, 56327, 57040, 58144, 72680, 78368, 91264, 97960, 101120, 112654, 114080, 116288, 145360, 156736, 182528, 195920, 225308, 228160, 232576, 281635, 290720, 313472, 391840, 450616, 456320, 465152, 563270, 581440, 626944, 783680, 901232, 912640, 1126540, 1162880, 1567360, 1802464, 2253080, 2325760, 3134720, 3604928, 4506160, 7209856, 9012320, 14419712, 18024640, 36049280, 72098560]

約数ペア:

[(1, 72098560), (2, 36049280), (4, 18024640), (5, 14419712), (8, 9012320), (10, 7209856), (16, 4506160), (20, 3604928), (23, 3134720), (31, 2325760), (32, 2253080), (40, 1802464), (46, 1567360), (62, 1162880), (64, 1126540), (79, 912640), (80, 901232), (92, 783680), (115, 626944), (124, 581440), (128, 563270), (155, 465152), (158, 456320), (160, 450616), (184, 391840), (230, 313472), (248, 290720), (256, 281635), (310, 232576), (316, 228160), (320, 225308), (368, 195920), (395, 182528), (460, 156736), (496, 145360), (620, 116288), (632, 114080), (640, 112654), (713, 101120), (736, 97960), (790, 91264), (920, 78368), (992, 72680), (1240, 58144), (1264, 57040), (1280, 56327), (1426, 50560), (1472, 48980), (1580, 45632), (1817, 39680), (1840, 39184), (1984, 36340), (2449, 29440), (2480, 29072), (2528, 28520), (2852, 25280), (2944, 24490), (3160, 22816), (3565, 20224), (3634, 19840), (3680, 19592), (3968, 18170), (4898, 14720), (4960, 14536), (5056, 14260), (5704, 12640), (5888, 12245), (6320, 11408), (7130, 10112), (7268, 9920), (7360, 9796), (7936, 9085)]