15797600

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 216

約数和(自身を含む): 49871808

約数和(自身を除く): 34074208

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 31, 32, 35, 40, 49, 50, 52, 56, 62, 65, 70, 80, 91, 98, 100, 104, 112, 124, 130, 140, 155, 160, 175, 182, 196, 200, 208, 217, 224, 245, 248, 260, 280, 310, 325, 350, 364, 392, 400, 403, 416, 434, 455, 490, 496, 520, 560, 620, 637, 650, 700, 728, 775, 784, 800, 806, 868, 910, 980, 992, 1040, 1085, 1120, 1225, 1240, 1274, 1300, 1400, 1456, 1519, 1550, 1568, 1612, 1736, 1820, 1960, 2015, 2080, 2170, 2275, 2450, 2480, 2548, 2600, 2800, 2821, 2912, 3038, 3100, 3185, 3224, 3472, 3640, 3920, 4030, 4340, 4550, 4900, 4960, 5096, 5200, 5425, 5600, 5642, 6076, 6200, 6370, 6448, 6944, 7280, 7595, 7840, 8060, 8680, 9100, 9800, 10075, 10192, 10400, 10850, 11284, 12152, 12400, 12740, 12896, 14105, 14560, 15190, 15925, 16120, 17360, 18200, 19600, 19747, 20150, 20384, 21700, 22568, 24304, 24800, 25480, 28210, 30380, 31850, 32240, 34720, 36400, 37975, 39200, 39494, 40300, 43400, 45136, 48608, 50960, 56420, 60760, 63700, 64480, 70525, 72800, 75950, 78988, 80600, 86800, 90272, 98735, 101920, 112840, 121520, 127400, 141050, 151900, 157976, 161200, 173600, 197470, 225680, 243040, 254800, 282100, 303800, 315952, 322400, 394940, 451360, 493675, 509600, 564200, 607600, 631904, 789880, 987350, 1128400, 1215200, 1579760, 1974700, 2256800, 3159520, 3949400, 7898800, 15797600]

約数ペア:

[(1, 15797600), (2, 7898800), (4, 3949400), (5, 3159520), (7, 2256800), (8, 1974700), (10, 1579760), (13, 1215200), (14, 1128400), (16, 987350), (20, 789880), (25, 631904), (26, 607600), (28, 564200), (31, 509600), (32, 493675), (35, 451360), (40, 394940), (49, 322400), (50, 315952), (52, 303800), (56, 282100), (62, 254800), (65, 243040), (70, 225680), (80, 197470), (91, 173600), (98, 161200), (100, 157976), (104, 151900), (112, 141050), (124, 127400), (130, 121520), (140, 112840), (155, 101920), (160, 98735), (175, 90272), (182, 86800), (196, 80600), (200, 78988), (208, 75950), (217, 72800), (224, 70525), (245, 64480), (248, 63700), (260, 60760), (280, 56420), (310, 50960), (325, 48608), (350, 45136), (364, 43400), (392, 40300), (400, 39494), (403, 39200), (416, 37975), (434, 36400), (455, 34720), (490, 32240), (496, 31850), (520, 30380), (560, 28210), (620, 25480), (637, 24800), (650, 24304), (700, 22568), (728, 21700), (775, 20384), (784, 20150), (800, 19747), (806, 19600), (868, 18200), (910, 17360), (980, 16120), (992, 15925), (1040, 15190), (1085, 14560), (1120, 14105), (1225, 12896), (1240, 12740), (1274, 12400), (1300, 12152), (1400, 11284), (1456, 10850), (1519, 10400), (1550, 10192), (1568, 10075), (1612, 9800), (1736, 9100), (1820, 8680), (1960, 8060), (2015, 7840), (2080, 7595), (2170, 7280), (2275, 6944), (2450, 6448), (2480, 6370), (2548, 6200), (2600, 6076), (2800, 5642), (2821, 5600), (2912, 5425), (3038, 5200), (3100, 5096), (3185, 4960), (3224, 4900), (3472, 4550), (3640, 4340), (3920, 4030)]