23509980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:245

約数の個数: 192

約数和(自身を含む): 83825280

約数和(自身を除く): 60315300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 34, 36, 39, 45, 51, 52, 54, 60, 65, 68, 78, 85, 90, 102, 108, 117, 130, 135, 153, 156, 170, 180, 195, 197, 204, 221, 234, 255, 260, 270, 306, 340, 351, 390, 394, 442, 459, 468, 510, 540, 585, 591, 612, 663, 702, 765, 780, 788, 884, 918, 985, 1020, 1105, 1170, 1182, 1326, 1404, 1530, 1755, 1773, 1836, 1970, 1989, 2210, 2295, 2340, 2364, 2561, 2652, 2955, 3060, 3315, 3349, 3510, 3546, 3940, 3978, 4420, 4590, 5122, 5319, 5910, 5967, 6630, 6698, 7020, 7092, 7683, 7956, 8865, 9180, 9945, 10047, 10244, 10638, 11820, 11934, 12805, 13260, 13396, 15366, 16745, 17730, 19890, 20094, 21276, 23049, 23868, 25610, 26595, 29835, 30141, 30732, 33490, 35460, 38415, 39780, 40188, 43537, 46098, 50235, 51220, 53190, 59670, 60282, 66980, 69147, 76830, 87074, 90423, 92196, 100470, 106380, 115245, 119340, 120564, 130611, 138294, 150705, 153660, 174148, 180846, 200940, 217685, 230490, 261222, 276588, 301410, 345735, 361692, 391833, 435370, 452115, 460980, 522444, 602820, 653055, 691470, 783666, 870740, 904230, 1175499, 1306110, 1382940, 1567332, 1808460, 1959165, 2350998, 2612220, 3918330, 4701996, 5877495, 7836660, 11754990, 23509980]

約数ペア:

[(1, 23509980), (2, 11754990), (3, 7836660), (4, 5877495), (5, 4701996), (6, 3918330), (9, 2612220), (10, 2350998), (12, 1959165), (13, 1808460), (15, 1567332), (17, 1382940), (18, 1306110), (20, 1175499), (26, 904230), (27, 870740), (30, 783666), (34, 691470), (36, 653055), (39, 602820), (45, 522444), (51, 460980), (52, 452115), (54, 435370), (60, 391833), (65, 361692), (68, 345735), (78, 301410), (85, 276588), (90, 261222), (102, 230490), (108, 217685), (117, 200940), (130, 180846), (135, 174148), (153, 153660), (156, 150705), (170, 138294), (180, 130611), (195, 120564), (197, 119340), (204, 115245), (221, 106380), (234, 100470), (255, 92196), (260, 90423), (270, 87074), (306, 76830), (340, 69147), (351, 66980), (390, 60282), (394, 59670), (442, 53190), (459, 51220), (468, 50235), (510, 46098), (540, 43537), (585, 40188), (591, 39780), (612, 38415), (663, 35460), (702, 33490), (765, 30732), (780, 30141), (788, 29835), (884, 26595), (918, 25610), (985, 23868), (1020, 23049), (1105, 21276), (1170, 20094), (1182, 19890), (1326, 17730), (1404, 16745), (1530, 15366), (1755, 13396), (1773, 13260), (1836, 12805), (1970, 11934), (1989, 11820), (2210, 10638), (2295, 10244), (2340, 10047), (2364, 9945), (2561, 9180), (2652, 8865), (2955, 7956), (3060, 7683), (3315, 7092), (3349, 7020), (3510, 6698), (3546, 6630), (3940, 5967), (3978, 5910), (4420, 5319), (4590, 5122)]