255676920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{112139}}^1$

素因数の和:112172

約数の個数: 64

約数和(自身を含む): 807408000

約数和(自身を除く): 551731080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 112139, 224278, 336417, 448556, 560695, 672834, 897112, 1121390, 1345668, 1682085, 2130641, 2242780, 2691336, 3364170, 4261282, 4485560, 6391923, 6728340, 8522564, 10653205, 12783846, 13456680, 17045128, 21306410, 25567692, 31959615, 42612820, 51135384, 63919230, 85225640, 127838460, 255676920]

約数ペア:

[(1, 255676920), (2, 127838460), (3, 85225640), (4, 63919230), (5, 51135384), (6, 42612820), (8, 31959615), (10, 25567692), (12, 21306410), (15, 17045128), (19, 13456680), (20, 12783846), (24, 10653205), (30, 8522564), (38, 6728340), (40, 6391923), (57, 4485560), (60, 4261282), (76, 3364170), (95, 2691336), (114, 2242780), (120, 2130641), (152, 1682085), (190, 1345668), (228, 1121390), (285, 897112), (380, 672834), (456, 560695), (570, 448556), (760, 336417), (1140, 224278), (2280, 112139)]