28031130

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 82114560

約数和(自身を除く): 54083430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 31, 34, 45, 51, 54, 62, 85, 90, 93, 102, 135, 153, 155, 170, 186, 197, 255, 270, 279, 306, 310, 394, 459, 465, 510, 527, 558, 591, 765, 837, 918, 930, 985, 1054, 1182, 1395, 1530, 1581, 1674, 1773, 1970, 2295, 2635, 2790, 2955, 3162, 3349, 3546, 4185, 4590, 4743, 5270, 5319, 5910, 6107, 6698, 7905, 8370, 8865, 9486, 10047, 10638, 12214, 14229, 15810, 16745, 17730, 18321, 20094, 23715, 26595, 28458, 30141, 30535, 33490, 36642, 47430, 50235, 53190, 54963, 60282, 61070, 71145, 90423, 91605, 100470, 103819, 109926, 142290, 150705, 164889, 180846, 183210, 207638, 274815, 301410, 311457, 329778, 452115, 519095, 549630, 622914, 824445, 904230, 934371, 1038190, 1557285, 1648890, 1868742, 2803113, 3114570, 4671855, 5606226, 9343710, 14015565, 28031130]

約数ペア:

[(1, 28031130), (2, 14015565), (3, 9343710), (5, 5606226), (6, 4671855), (9, 3114570), (10, 2803113), (15, 1868742), (17, 1648890), (18, 1557285), (27, 1038190), (30, 934371), (31, 904230), (34, 824445), (45, 622914), (51, 549630), (54, 519095), (62, 452115), (85, 329778), (90, 311457), (93, 301410), (102, 274815), (135, 207638), (153, 183210), (155, 180846), (170, 164889), (186, 150705), (197, 142290), (255, 109926), (270, 103819), (279, 100470), (306, 91605), (310, 90423), (394, 71145), (459, 61070), (465, 60282), (510, 54963), (527, 53190), (558, 50235), (591, 47430), (765, 36642), (837, 33490), (918, 30535), (930, 30141), (985, 28458), (1054, 26595), (1182, 23715), (1395, 20094), (1530, 18321), (1581, 17730), (1674, 16745), (1773, 15810), (1970, 14229), (2295, 12214), (2635, 10638), (2790, 10047), (2955, 9486), (3162, 8865), (3349, 8370), (3546, 7905), (4185, 6698), (4590, 6107), (4743, 5910), (5270, 5319)]