78128388

素因数分解:

$2^2\times 3^8\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:270

約数の個数: 108

約数和(自身を含む): 221816140

約数和(自身を除く): 143687752

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 229, 234, 243, 324, 351, 458, 468, 486, 687, 702, 729, 916, 972, 1053, 1374, 1404, 1458, 2061, 2106, 2187, 2748, 2916, 2977, 3159, 4122, 4212, 4374, 5954, 6183, 6318, 6561, 8244, 8748, 8931, 9477, 11908, 12366, 12636, 13122, 17862, 18549, 18954, 24732, 26244, 26793, 28431, 35724, 37098, 37908, 53586, 55647, 56862, 74196, 80379, 85293, 107172, 111294, 113724, 160758, 166941, 170586, 222588, 241137, 321516, 333882, 341172, 482274, 500823, 667764, 723411, 964548, 1001646, 1446822, 1502469, 2003292, 2170233, 2893644, 3004938, 4340466, 6009876, 6510699, 8680932, 13021398, 19532097, 26042796, 39064194, 78128388]

約数ペア:

[(1, 78128388), (2, 39064194), (3, 26042796), (4, 19532097), (6, 13021398), (9, 8680932), (12, 6510699), (13, 6009876), (18, 4340466), (26, 3004938), (27, 2893644), (36, 2170233), (39, 2003292), (52, 1502469), (54, 1446822), (78, 1001646), (81, 964548), (108, 723411), (117, 667764), (156, 500823), (162, 482274), (229, 341172), (234, 333882), (243, 321516), (324, 241137), (351, 222588), (458, 170586), (468, 166941), (486, 160758), (687, 113724), (702, 111294), (729, 107172), (916, 85293), (972, 80379), (1053, 74196), (1374, 56862), (1404, 55647), (1458, 53586), (2061, 37908), (2106, 37098), (2187, 35724), (2748, 28431), (2916, 26793), (2977, 26244), (3159, 24732), (4122, 18954), (4212, 18549), (4374, 17862), (5954, 13122), (6183, 12636), (6318, 12366), (6561, 11908), (8244, 9477), (8748, 8931)]