74938890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 209018880

約数和(自身を除く): 134079990

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 89, 102, 127, 130, 170, 178, 195, 221, 254, 255, 267, 381, 390, 442, 445, 510, 534, 635, 663, 762, 890, 1105, 1157, 1270, 1326, 1335, 1513, 1651, 1905, 2159, 2210, 2314, 2670, 3026, 3302, 3315, 3471, 3810, 4318, 4539, 4953, 5785, 6477, 6630, 6942, 7565, 8255, 9078, 9906, 10795, 11303, 11570, 12954, 15130, 16510, 17355, 19669, 21590, 22606, 22695, 24765, 28067, 32385, 33909, 34710, 39338, 45390, 49530, 56134, 56515, 59007, 64770, 67818, 84201, 98345, 113030, 118014, 140335, 146939, 168402, 169545, 192151, 196690, 280670, 293878, 295035, 339090, 384302, 421005, 440817, 576453, 590070, 734695, 842010, 881634, 960755, 1152906, 1469390, 1921510, 2204085, 2497963, 2882265, 4408170, 4995926, 5764530, 7493889, 12489815, 14987778, 24979630, 37469445, 74938890]

約数ペア:

[(1, 74938890), (2, 37469445), (3, 24979630), (5, 14987778), (6, 12489815), (10, 7493889), (13, 5764530), (15, 4995926), (17, 4408170), (26, 2882265), (30, 2497963), (34, 2204085), (39, 1921510), (51, 1469390), (65, 1152906), (78, 960755), (85, 881634), (89, 842010), (102, 734695), (127, 590070), (130, 576453), (170, 440817), (178, 421005), (195, 384302), (221, 339090), (254, 295035), (255, 293878), (267, 280670), (381, 196690), (390, 192151), (442, 169545), (445, 168402), (510, 146939), (534, 140335), (635, 118014), (663, 113030), (762, 98345), (890, 84201), (1105, 67818), (1157, 64770), (1270, 59007), (1326, 56515), (1335, 56134), (1513, 49530), (1651, 45390), (1905, 39338), (2159, 34710), (2210, 33909), (2314, 32385), (2670, 28067), (3026, 24765), (3302, 22695), (3315, 22606), (3471, 21590), (3810, 19669), (4318, 17355), (4539, 16510), (4953, 15130), (5785, 12954), (6477, 11570), (6630, 11303), (6942, 10795), (7565, 9906), (8255, 9078)]