15999480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{907}}^1$

素因数の和:938

約数の個数: 144

約数和(自身を含む): 60554520

約数和(自身を除く): 44555040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 907, 980, 1176, 1260, 1470, 1764, 1814, 1960, 2205, 2520, 2721, 2940, 3528, 3628, 4410, 4535, 5442, 5880, 6349, 7256, 8163, 8820, 9070, 10884, 12698, 13605, 16326, 17640, 18140, 19047, 21768, 25396, 27210, 31745, 32652, 36280, 38094, 40815, 44443, 50792, 54420, 57141, 63490, 65304, 76188, 81630, 88886, 95235, 108840, 114282, 126980, 133329, 152376, 163260, 177772, 190470, 222215, 228564, 253960, 266658, 285705, 326520, 355544, 380940, 399987, 444430, 457128, 533316, 571410, 666645, 761880, 799974, 888860, 1066632, 1142820, 1333290, 1599948, 1777720, 1999935, 2285640, 2666580, 3199896, 3999870, 5333160, 7999740, 15999480]

約数ペア:

[(1, 15999480), (2, 7999740), (3, 5333160), (4, 3999870), (5, 3199896), (6, 2666580), (7, 2285640), (8, 1999935), (9, 1777720), (10, 1599948), (12, 1333290), (14, 1142820), (15, 1066632), (18, 888860), (20, 799974), (21, 761880), (24, 666645), (28, 571410), (30, 533316), (35, 457128), (36, 444430), (40, 399987), (42, 380940), (45, 355544), (49, 326520), (56, 285705), (60, 266658), (63, 253960), (70, 228564), (72, 222215), (84, 190470), (90, 177772), (98, 163260), (105, 152376), (120, 133329), (126, 126980), (140, 114282), (147, 108840), (168, 95235), (180, 88886), (196, 81630), (210, 76188), (245, 65304), (252, 63490), (280, 57141), (294, 54420), (315, 50792), (360, 44443), (392, 40815), (420, 38094), (441, 36280), (490, 32652), (504, 31745), (588, 27210), (630, 25396), (735, 21768), (840, 19047), (882, 18140), (907, 17640), (980, 16326), (1176, 13605), (1260, 12698), (1470, 10884), (1764, 9070), (1814, 8820), (1960, 8163), (2205, 7256), (2520, 6349), (2721, 5880), (2940, 5442), (3528, 4535), (3628, 4410)]