15431800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 39283200

約数和(自身を除く): 23851400

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 31, 38, 40, 50, 62, 76, 95, 100, 124, 131, 152, 155, 190, 200, 248, 262, 310, 380, 475, 524, 589, 620, 655, 760, 775, 950, 1048, 1178, 1240, 1310, 1550, 1900, 2356, 2489, 2620, 2945, 3100, 3275, 3800, 4061, 4712, 4978, 5240, 5890, 6200, 6550, 8122, 9956, 11780, 12445, 13100, 14725, 16244, 19912, 20305, 23560, 24890, 26200, 29450, 32488, 40610, 49780, 58900, 62225, 77159, 81220, 99560, 101525, 117800, 124450, 154318, 162440, 203050, 248900, 308636, 385795, 406100, 497800, 617272, 771590, 812200, 1543180, 1928975, 3086360, 3857950, 7715900, 15431800]

約数ペア:

[(1, 15431800), (2, 7715900), (4, 3857950), (5, 3086360), (8, 1928975), (10, 1543180), (19, 812200), (20, 771590), (25, 617272), (31, 497800), (38, 406100), (40, 385795), (50, 308636), (62, 248900), (76, 203050), (95, 162440), (100, 154318), (124, 124450), (131, 117800), (152, 101525), (155, 99560), (190, 81220), (200, 77159), (248, 62225), (262, 58900), (310, 49780), (380, 40610), (475, 32488), (524, 29450), (589, 26200), (620, 24890), (655, 23560), (760, 20305), (775, 19912), (950, 16244), (1048, 14725), (1178, 13100), (1240, 12445), (1310, 11780), (1550, 9956), (1900, 8122), (2356, 6550), (2489, 6200), (2620, 5890), (2945, 5240), (3100, 4978), (3275, 4712), (3800, 4061)]