16268940

素因数分解:

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

素因数の和:172

約数の個数: 144

約数和(自身を含む): 53464320

約数和(自身を除く): 37195380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 67, 71, 76, 90, 95, 114, 134, 142, 171, 180, 190, 201, 213, 228, 268, 284, 285, 335, 342, 355, 380, 402, 426, 570, 603, 639, 670, 684, 710, 804, 852, 855, 1005, 1065, 1140, 1206, 1273, 1278, 1340, 1349, 1420, 1710, 2010, 2130, 2412, 2546, 2556, 2698, 3015, 3195, 3420, 3819, 4020, 4047, 4260, 4757, 5092, 5396, 6030, 6365, 6390, 6745, 7638, 8094, 9514, 11457, 12060, 12141, 12730, 12780, 13490, 14271, 15276, 16188, 19028, 19095, 20235, 22914, 23785, 24282, 25460, 26980, 28542, 38190, 40470, 42813, 45828, 47570, 48564, 57084, 57285, 60705, 71355, 76380, 80940, 85626, 90383, 95140, 114570, 121410, 142710, 171252, 180766, 214065, 229140, 242820, 271149, 285420, 361532, 428130, 451915, 542298, 813447, 856260, 903830, 1084596, 1355745, 1626894, 1807660, 2711490, 3253788, 4067235, 5422980, 8134470, 16268940]

約数ペア:

[(1, 16268940), (2, 8134470), (3, 5422980), (4, 4067235), (5, 3253788), (6, 2711490), (9, 1807660), (10, 1626894), (12, 1355745), (15, 1084596), (18, 903830), (19, 856260), (20, 813447), (30, 542298), (36, 451915), (38, 428130), (45, 361532), (57, 285420), (60, 271149), (67, 242820), (71, 229140), (76, 214065), (90, 180766), (95, 171252), (114, 142710), (134, 121410), (142, 114570), (171, 95140), (180, 90383), (190, 85626), (201, 80940), (213, 76380), (228, 71355), (268, 60705), (284, 57285), (285, 57084), (335, 48564), (342, 47570), (355, 45828), (380, 42813), (402, 40470), (426, 38190), (570, 28542), (603, 26980), (639, 25460), (670, 24282), (684, 23785), (710, 22914), (804, 20235), (852, 19095), (855, 19028), (1005, 16188), (1065, 15276), (1140, 14271), (1206, 13490), (1273, 12780), (1278, 12730), (1340, 12141), (1349, 12060), (1420, 11457), (1710, 9514), (2010, 8094), (2130, 7638), (2412, 6745), (2546, 6390), (2556, 6365), (2698, 6030), (3015, 5396), (3195, 5092), (3420, 4757), (3819, 4260), (4020, 4047)]