81454140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1$

素因数の和:521

約数の個数: 192

約数和(自身を含む): 283046400

約数和(自身を除く): 201592260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 27, 30, 34, 36, 38, 45, 51, 54, 57, 60, 68, 76, 85, 90, 95, 102, 108, 114, 135, 153, 170, 171, 180, 190, 204, 228, 255, 270, 285, 306, 323, 340, 342, 380, 459, 467, 510, 513, 540, 570, 612, 646, 684, 765, 855, 918, 934, 969, 1020, 1026, 1140, 1292, 1401, 1530, 1615, 1710, 1836, 1868, 1938, 2052, 2295, 2335, 2565, 2802, 2907, 3060, 3230, 3420, 3876, 4203, 4590, 4670, 4845, 5130, 5604, 5814, 6460, 7005, 7939, 8406, 8721, 8873, 9180, 9340, 9690, 10260, 11628, 12609, 14010, 14535, 15878, 16812, 17442, 17746, 19380, 21015, 23817, 25218, 26619, 28020, 29070, 31756, 34884, 35492, 39695, 42030, 43605, 44365, 47634, 50436, 53238, 58140, 63045, 71451, 79390, 79857, 84060, 87210, 88730, 95268, 106476, 119085, 126090, 133095, 142902, 150841, 158780, 159714, 174420, 177460, 214353, 238170, 239571, 252180, 266190, 285804, 301682, 319428, 357255, 399285, 428706, 452523, 476340, 479142, 532380, 603364, 714510, 754205, 798570, 857412, 905046, 958284, 1071765, 1197855, 1357569, 1429020, 1508410, 1597140, 1810092, 2143530, 2262615, 2395710, 2715138, 3016820, 4072707, 4287060, 4525230, 4791420, 5430276, 6787845, 8145414, 9050460, 13575690, 16290828, 20363535, 27151380, 40727070, 81454140]

約数ペア:

[(1, 81454140), (2, 40727070), (3, 27151380), (4, 20363535), (5, 16290828), (6, 13575690), (9, 9050460), (10, 8145414), (12, 6787845), (15, 5430276), (17, 4791420), (18, 4525230), (19, 4287060), (20, 4072707), (27, 3016820), (30, 2715138), (34, 2395710), (36, 2262615), (38, 2143530), (45, 1810092), (51, 1597140), (54, 1508410), (57, 1429020), (60, 1357569), (68, 1197855), (76, 1071765), (85, 958284), (90, 905046), (95, 857412), (102, 798570), (108, 754205), (114, 714510), (135, 603364), (153, 532380), (170, 479142), (171, 476340), (180, 452523), (190, 428706), (204, 399285), (228, 357255), (255, 319428), (270, 301682), (285, 285804), (306, 266190), (323, 252180), (340, 239571), (342, 238170), (380, 214353), (459, 177460), (467, 174420), (510, 159714), (513, 158780), (540, 150841), (570, 142902), (612, 133095), (646, 126090), (684, 119085), (765, 106476), (855, 95268), (918, 88730), (934, 87210), (969, 84060), (1020, 79857), (1026, 79390), (1140, 71451), (1292, 63045), (1401, 58140), (1530, 53238), (1615, 50436), (1710, 47634), (1836, 44365), (1868, 43605), (1938, 42030), (2052, 39695), (2295, 35492), (2335, 34884), (2565, 31756), (2802, 29070), (2907, 28020), (3060, 26619), (3230, 25218), (3420, 23817), (3876, 21015), (4203, 19380), (4590, 17746), (4670, 17442), (4845, 16812), (5130, 15878), (5604, 14535), (5814, 14010), (6460, 12609), (7005, 11628), (7939, 10260), (8406, 9690), (8721, 9340), (8873, 9180)]