18857160

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{1069}}^1$

素因数の和:1100

約数の個数: 144

約数和(自身を含む): 71358300

約数和(自身を除く): 52501140

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, 980, 1069, 1176, 1260, 1470, 1764, 1960, 2138, 2205, 2520, 2940, 3207, 3528, 4276, 4410, 5345, 5880, 6414, 7483, 8552, 8820, 9621, 10690, 12828, 14966, 16035, 17640, 19242, 21380, 22449, 25656, 29932, 32070, 37415, 38484, 42760, 44898, 48105, 52381, 59864, 64140, 67347, 74830, 76968, 89796, 96210, 104762, 112245, 128280, 134694, 149660, 157143, 179592, 192420, 209524, 224490, 261905, 269388, 299320, 314286, 336735, 384840, 419048, 448980, 471429, 523810, 538776, 628572, 673470, 785715, 897960, 942858, 1047620, 1257144, 1346940, 1571430, 1885716, 2095240, 2357145, 2693880, 3142860, 3771432, 4714290, 6285720, 9428580, 18857160]

約数ペア:

[(1, 18857160), (2, 9428580), (3, 6285720), (4, 4714290), (5, 3771432), (6, 3142860), (7, 2693880), (8, 2357145), (9, 2095240), (10, 1885716), (12, 1571430), (14, 1346940), (15, 1257144), (18, 1047620), (20, 942858), (21, 897960), (24, 785715), (28, 673470), (30, 628572), (35, 538776), (36, 523810), (40, 471429), (42, 448980), (45, 419048), (49, 384840), (56, 336735), (60, 314286), (63, 299320), (70, 269388), (72, 261905), (84, 224490), (90, 209524), (98, 192420), (105, 179592), (120, 157143), (126, 149660), (140, 134694), (147, 128280), (168, 112245), (180, 104762), (196, 96210), (210, 89796), (245, 76968), (252, 74830), (280, 67347), (294, 64140), (315, 59864), (360, 52381), (392, 48105), (420, 44898), (441, 42760), (490, 38484), (504, 37415), (588, 32070), (630, 29932), (735, 25656), (840, 22449), (882, 21380), (980, 19242), (1069, 17640), (1176, 16035), (1260, 14966), (1470, 12828), (1764, 10690), (1960, 9621), (2138, 8820), (2205, 8552), (2520, 7483), (2940, 6414), (3207, 5880), (3528, 5345), (4276, 4410)]