81344700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:177

約数の個数: 216

約数和(自身を含む): 276232320

約数和(自身を除く): 194887620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 67, 71, 75, 76, 90, 95, 100, 114, 134, 142, 150, 171, 180, 190, 201, 213, 225, 228, 268, 284, 285, 300, 335, 342, 355, 380, 402, 426, 450, 475, 570, 603, 639, 670, 684, 710, 804, 852, 855, 900, 950, 1005, 1065, 1140, 1206, 1273, 1278, 1340, 1349, 1420, 1425, 1675, 1710, 1775, 1900, 2010, 2130, 2412, 2546, 2556, 2698, 2850, 3015, 3195, 3350, 3420, 3550, 3819, 4020, 4047, 4260, 4275, 4757, 5025, 5092, 5325, 5396, 5700, 6030, 6365, 6390, 6700, 6745, 7100, 7638, 8094, 8550, 9514, 10050, 10650, 11457, 12060, 12141, 12730, 12780, 13490, 14271, 15075, 15276, 15975, 16188, 17100, 19028, 19095, 20100, 20235, 21300, 22914, 23785, 24282, 25460, 26980, 28542, 30150, 31825, 31950, 33725, 38190, 40470, 42813, 45828, 47570, 48564, 57084, 57285, 60300, 60705, 63650, 63900, 67450, 71355, 76380, 80940, 85626, 90383, 95140, 95475, 101175, 114570, 118925, 121410, 127300, 134900, 142710, 171252, 180766, 190950, 202350, 214065, 229140, 237850, 242820, 271149, 285420, 286425, 303525, 356775, 361532, 381900, 404700, 428130, 451915, 475700, 542298, 572850, 607050, 713550, 813447, 856260, 903830, 1070325, 1084596, 1145700, 1214100, 1355745, 1427100, 1626894, 1807660, 2140650, 2259575, 2711490, 3253788, 4067235, 4281300, 4519150, 5422980, 6778725, 8134470, 9038300, 13557450, 16268940, 20336175, 27114900, 40672350, 81344700]

約数ペア:

[(1, 81344700), (2, 40672350), (3, 27114900), (4, 20336175), (5, 16268940), (6, 13557450), (9, 9038300), (10, 8134470), (12, 6778725), (15, 5422980), (18, 4519150), (19, 4281300), (20, 4067235), (25, 3253788), (30, 2711490), (36, 2259575), (38, 2140650), (45, 1807660), (50, 1626894), (57, 1427100), (60, 1355745), (67, 1214100), (71, 1145700), (75, 1084596), (76, 1070325), (90, 903830), (95, 856260), (100, 813447), (114, 713550), (134, 607050), (142, 572850), (150, 542298), (171, 475700), (180, 451915), (190, 428130), (201, 404700), (213, 381900), (225, 361532), (228, 356775), (268, 303525), (284, 286425), (285, 285420), (300, 271149), (335, 242820), (342, 237850), (355, 229140), (380, 214065), (402, 202350), (426, 190950), (450, 180766), (475, 171252), (570, 142710), (603, 134900), (639, 127300), (670, 121410), (684, 118925), (710, 114570), (804, 101175), (852, 95475), (855, 95140), (900, 90383), (950, 85626), (1005, 80940), (1065, 76380), (1140, 71355), (1206, 67450), (1273, 63900), (1278, 63650), (1340, 60705), (1349, 60300), (1420, 57285), (1425, 57084), (1675, 48564), (1710, 47570), (1775, 45828), (1900, 42813), (2010, 40470), (2130, 38190), (2412, 33725), (2546, 31950), (2556, 31825), (2698, 30150), (2850, 28542), (3015, 26980), (3195, 25460), (3350, 24282), (3420, 23785), (3550, 22914), (3819, 21300), (4020, 20235), (4047, 20100), (4260, 19095), (4275, 19028), (4757, 17100), (5025, 16188), (5092, 15975), (5325, 15276), (5396, 15075), (5700, 14271), (6030, 13490), (6365, 12780), (6390, 12730), (6700, 12141), (6745, 12060), (7100, 11457), (7638, 10650), (8094, 10050), (8550, 9514)]