215740980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13171}}^1$

素因数の和:13206

約数の個数: 144

約数和(自身を含む): 805494144

約数和(自身を除く): 589753164

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 13171, 16380, 26342, 39513, 52684, 65855, 79026, 92197, 118539, 131710, 158052, 171223, 184394, 197565, 237078, 263420, 276591, 342446, 368788, 395130, 460985, 474156, 513669, 553182, 592695, 684892, 790260, 829773, 856115, 921970, 1027338, 1106364, 1185390, 1198561, 1382955, 1541007, 1659546, 1712230, 1843940, 2054676, 2370780, 2397122, 2568345, 2765910, 3082014, 3319092, 3424460, 3595683, 4148865, 4794244, 5136690, 5531820, 5992805, 6164028, 7191366, 7705035, 8297730, 10273380, 10787049, 11985610, 14382732, 15410070, 16595460, 17978415, 21574098, 23971220, 30820140, 35956830, 43148196, 53935245, 71913660, 107870490, 215740980]

約数ペア:

[(1, 215740980), (2, 107870490), (3, 71913660), (4, 53935245), (5, 43148196), (6, 35956830), (7, 30820140), (9, 23971220), (10, 21574098), (12, 17978415), (13, 16595460), (14, 15410070), (15, 14382732), (18, 11985610), (20, 10787049), (21, 10273380), (26, 8297730), (28, 7705035), (30, 7191366), (35, 6164028), (36, 5992805), (39, 5531820), (42, 5136690), (45, 4794244), (52, 4148865), (60, 3595683), (63, 3424460), (65, 3319092), (70, 3082014), (78, 2765910), (84, 2568345), (90, 2397122), (91, 2370780), (105, 2054676), (117, 1843940), (126, 1712230), (130, 1659546), (140, 1541007), (156, 1382955), (180, 1198561), (182, 1185390), (195, 1106364), (210, 1027338), (234, 921970), (252, 856115), (260, 829773), (273, 790260), (315, 684892), (364, 592695), (390, 553182), (420, 513669), (455, 474156), (468, 460985), (546, 395130), (585, 368788), (630, 342446), (780, 276591), (819, 263420), (910, 237078), (1092, 197565), (1170, 184394), (1260, 171223), (1365, 158052), (1638, 131710), (1820, 118539), (2340, 92197), (2730, 79026), (3276, 65855), (4095, 52684), (5460, 39513), (8190, 26342), (13171, 16380)]