78840540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1187}}^1$

素因数の和:1249

約数の個数: 120

約数和(自身を含む): 253571472

約数和(自身を除く): 174730932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 81, 82, 90, 108, 123, 135, 162, 164, 180, 205, 246, 270, 324, 369, 405, 410, 492, 540, 615, 738, 810, 820, 1107, 1187, 1230, 1476, 1620, 1845, 2214, 2374, 2460, 3321, 3561, 3690, 4428, 4748, 5535, 5935, 6642, 7122, 7380, 10683, 11070, 11870, 13284, 14244, 16605, 17805, 21366, 22140, 23740, 32049, 33210, 35610, 42732, 48667, 53415, 64098, 66420, 71220, 96147, 97334, 106830, 128196, 146001, 160245, 192294, 194668, 213660, 243335, 292002, 320490, 384588, 438003, 480735, 486670, 584004, 640980, 730005, 876006, 961470, 973340, 1314009, 1460010, 1752012, 1922940, 2190015, 2628018, 2920020, 3942027, 4380030, 5256036, 6570045, 7884054, 8760060, 13140090, 15768108, 19710135, 26280180, 39420270, 78840540]

約数ペア:

[(1, 78840540), (2, 39420270), (3, 26280180), (4, 19710135), (5, 15768108), (6, 13140090), (9, 8760060), (10, 7884054), (12, 6570045), (15, 5256036), (18, 4380030), (20, 3942027), (27, 2920020), (30, 2628018), (36, 2190015), (41, 1922940), (45, 1752012), (54, 1460010), (60, 1314009), (81, 973340), (82, 961470), (90, 876006), (108, 730005), (123, 640980), (135, 584004), (162, 486670), (164, 480735), (180, 438003), (205, 384588), (246, 320490), (270, 292002), (324, 243335), (369, 213660), (405, 194668), (410, 192294), (492, 160245), (540, 146001), (615, 128196), (738, 106830), (810, 97334), (820, 96147), (1107, 71220), (1187, 66420), (1230, 64098), (1476, 53415), (1620, 48667), (1845, 42732), (2214, 35610), (2374, 33210), (2460, 32049), (3321, 23740), (3561, 22140), (3690, 21366), (4428, 17805), (4748, 16605), (5535, 14244), (5935, 13284), (6642, 11870), (7122, 11070), (7380, 10683)]