21781592000

素因数分解:

$2^6\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12547}}^1$

素因数の和:12612

約数の個数: 224

約数和(自身を含む): 63641849856

約数和(自身を除く): 41860257856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 64, 70, 80, 100, 112, 124, 125, 140, 155, 160, 175, 200, 217, 224, 248, 250, 280, 310, 320, 350, 400, 434, 448, 496, 500, 560, 620, 700, 775, 800, 868, 875, 992, 1000, 1085, 1120, 1240, 1400, 1550, 1600, 1736, 1750, 1984, 2000, 2170, 2240, 2480, 2800, 3100, 3472, 3500, 3875, 4000, 4340, 4960, 5425, 5600, 6200, 6944, 7000, 7750, 8000, 8680, 9920, 10850, 11200, 12400, 12547, 13888, 14000, 15500, 17360, 21700, 24800, 25094, 27125, 28000, 31000, 34720, 43400, 49600, 50188, 54250, 56000, 62000, 62735, 69440, 86800, 87829, 100376, 108500, 124000, 125470, 173600, 175658, 200752, 217000, 248000, 250940, 313675, 347200, 351316, 388957, 401504, 434000, 439145, 501880, 627350, 702632, 777914, 803008, 868000, 878290, 1003760, 1254700, 1405264, 1555828, 1568375, 1736000, 1756580, 1944785, 2007520, 2195725, 2509400, 2722699, 2810528, 3111656, 3136750, 3513160, 3889570, 4015040, 4391450, 5018800, 5445398, 5621056, 6223312, 6273500, 7026320, 7779140, 8782900, 9723925, 10037600, 10890796, 10978625, 12446624, 12547000, 13613495, 14052640, 15558280, 17565800, 19447850, 20075200, 21781592, 21957250, 24893248, 25094000, 27226990, 28105280, 31116560, 35131600, 38895700, 43563184, 43914500, 48619625, 50188000, 54453980, 62233120, 68067475, 70263200, 77791400, 87126368, 87829000, 97239250, 100376000, 108907960, 124466240, 136134950, 140526400, 155582800, 174252736, 175658000, 194478500, 217815920, 272269900, 311165600, 340337375, 351316000, 388957000, 435631840, 544539800, 622331200, 680674750, 702632000, 777914000, 871263680, 1089079600, 1361349500, 1555828000, 2178159200, 2722699000, 3111656000, 4356318400, 5445398000, 10890796000, 21781592000]

約数ペア:

[(1, 21781592000), (2, 10890796000), (4, 5445398000), (5, 4356318400), (7, 3111656000), (8, 2722699000), (10, 2178159200), (14, 1555828000), (16, 1361349500), (20, 1089079600), (25, 871263680), (28, 777914000), (31, 702632000), (32, 680674750), (35, 622331200), (40, 544539800), (50, 435631840), (56, 388957000), (62, 351316000), (64, 340337375), (70, 311165600), (80, 272269900), (100, 217815920), (112, 194478500), (124, 175658000), (125, 174252736), (140, 155582800), (155, 140526400), (160, 136134950), (175, 124466240), (200, 108907960), (217, 100376000), (224, 97239250), (248, 87829000), (250, 87126368), (280, 77791400), (310, 70263200), (320, 68067475), (350, 62233120), (400, 54453980), (434, 50188000), (448, 48619625), (496, 43914500), (500, 43563184), (560, 38895700), (620, 35131600), (700, 31116560), (775, 28105280), (800, 27226990), (868, 25094000), (875, 24893248), (992, 21957250), (1000, 21781592), (1085, 20075200), (1120, 19447850), (1240, 17565800), (1400, 15558280), (1550, 14052640), (1600, 13613495), (1736, 12547000), (1750, 12446624), (1984, 10978625), (2000, 10890796), (2170, 10037600), (2240, 9723925), (2480, 8782900), (2800, 7779140), (3100, 7026320), (3472, 6273500), (3500, 6223312), (3875, 5621056), (4000, 5445398), (4340, 5018800), (4960, 4391450), (5425, 4015040), (5600, 3889570), (6200, 3513160), (6944, 3136750), (7000, 3111656), (7750, 2810528), (8000, 2722699), (8680, 2509400), (9920, 2195725), (10850, 2007520), (11200, 1944785), (12400, 1756580), (12547, 1736000), (13888, 1568375), (14000, 1555828), (15500, 1405264), (17360, 1254700), (21700, 1003760), (24800, 878290), (25094, 868000), (27125, 803008), (28000, 777914), (31000, 702632), (34720, 627350), (43400, 501880), (49600, 439145), (50188, 434000), (54250, 401504), (56000, 388957), (62000, 351316), (62735, 347200), (69440, 313675), (86800, 250940), (87829, 248000), (100376, 217000), (108500, 200752), (124000, 175658), (125470, 173600)]