172184940

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:594

約数の個数: 144

約数和(自身を含む): 550368000

約数和(自身を除く): 378183060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 142, 162, 180, 213, 243, 270, 284, 324, 355, 405, 426, 486, 499, 540, 639, 710, 810, 852, 972, 998, 1065, 1215, 1278, 1420, 1497, 1620, 1917, 1996, 2130, 2430, 2495, 2556, 2994, 3195, 3834, 4260, 4491, 4860, 4990, 5751, 5988, 6390, 7485, 7668, 8982, 9585, 9980, 11502, 12780, 13473, 14970, 17253, 17964, 19170, 22455, 23004, 26946, 28755, 29940, 34506, 35429, 38340, 40419, 44910, 53892, 57510, 67365, 69012, 70858, 80838, 86265, 89820, 106287, 115020, 121257, 134730, 141716, 161676, 172530, 177145, 202095, 212574, 242514, 269460, 318861, 345060, 354290, 404190, 425148, 485028, 531435, 606285, 637722, 708580, 808380, 956583, 1062870, 1212570, 1275444, 1594305, 1913166, 2125740, 2425140, 2869749, 3188610, 3826332, 4782915, 5739498, 6377220, 8609247, 9565830, 11478996, 14348745, 17218494, 19131660, 28697490, 34436988, 43046235, 57394980, 86092470, 172184940]

約数ペア:

[(1, 172184940), (2, 86092470), (3, 57394980), (4, 43046235), (5, 34436988), (6, 28697490), (9, 19131660), (10, 17218494), (12, 14348745), (15, 11478996), (18, 9565830), (20, 8609247), (27, 6377220), (30, 5739498), (36, 4782915), (45, 3826332), (54, 3188610), (60, 2869749), (71, 2425140), (81, 2125740), (90, 1913166), (108, 1594305), (135, 1275444), (142, 1212570), (162, 1062870), (180, 956583), (213, 808380), (243, 708580), (270, 637722), (284, 606285), (324, 531435), (355, 485028), (405, 425148), (426, 404190), (486, 354290), (499, 345060), (540, 318861), (639, 269460), (710, 242514), (810, 212574), (852, 202095), (972, 177145), (998, 172530), (1065, 161676), (1215, 141716), (1278, 134730), (1420, 121257), (1497, 115020), (1620, 106287), (1917, 89820), (1996, 86265), (2130, 80838), (2430, 70858), (2495, 69012), (2556, 67365), (2994, 57510), (3195, 53892), (3834, 44910), (4260, 40419), (4491, 38340), (4860, 35429), (4990, 34506), (5751, 29940), (5988, 28755), (6390, 26946), (7485, 23004), (7668, 22455), (8982, 19170), (9585, 17964), (9980, 17253), (11502, 14970), (12780, 13473)]